Finding the Fourth Proportional to 399,456,317,231.94, 599,120,693,458.18 and 116,408,952,682.31

Step by Step Solution

1. Step 1: Write the proportion equation
   399,456,317,231.94 : 599,120,693,458.18 = 116,408,952,682.31 : x
2. Step 2: Convert to fraction form
   399,456,317,231.94/599,120,693,458.18 = 116,408,952,682.31/x
3. Step 3: Cross multiply
   399,456,317,231.94x = 599,120,693,458.18 × 116,408,952,682.31
4. Step 4: Simplify right side
   399,456,317,231.94x = 69,743,012,455,766,038,675,456
5. Step 5: Solve for x
   x = 69,743,012,455,766,038,675,456/399,456,317,231.94
6. Step 6: Final answer
   x = 174,594,841,656.42