Finding the Fourth Proportional to 117,120.56, 161,625.02 and 63,404.38

Step by Step Solution

1. Step 1: Write the proportion equation
   117,120.56 : 161,625.02 = 63,404.38 : x
2. Step 2: Convert to fraction form
   117,120.56/161,625.02 = 63,404.38/x
3. Step 3: Cross multiply
   117,120.56x = 161,625.02 × 63,404.38
4. Step 4: Simplify right side
   117,120.56x = 10,247,734,185.59
5. Step 5: Solve for x
   x = 10,247,734,185.59/117,120.56
6. Step 6: Final answer
   x = 87,497.31