Finding the Fourth Proportional to 399,456,317,242.50, 599,120,693,473.92 and 116,408,952,692.82

Step by Step Solution

1. Step 1: Write the proportion equation
   399,456,317,242.50 : 599,120,693,473.92 = 116,408,952,692.82 : x
2. Step 2: Convert to fraction form
   399,456,317,242.50/599,120,693,473.92 = 116,408,952,692.82/x
3. Step 3: Cross multiply
   399,456,317,242.50x = 599,120,693,473.92 × 116,408,952,692.82
4. Step 4: Simplify right side
   399,456,317,242.50x = 69,743,012,463,895,077,978,112
5. Step 5: Solve for x
   x = 69,743,012,463,895,077,978,112/399,456,317,242.50
6. Step 6: Final answer
   x = 174,594,841,672.15