Finding the Fourth Proportional to 118,350.72, 163,317.67 and 64,625.24

Step by Step Solution

1. Step 1: Write the proportion equation
   118,350.72 : 163,317.67 = 64,625.24 : x
2. Step 2: Convert to fraction form
   118,350.72/163,317.67 = 64,625.24/x
3. Step 3: Cross multiply
   118,350.72x = 163,317.67 × 64,625.24
4. Step 4: Simplify right side
   118,350.72x = 10,554,443,866.72
5. Step 5: Solve for x
   x = 10,554,443,866.72/118,350.72
6. Step 6: Final answer
   x = 89,179.38