Finding the Fourth Proportional to 113,789.30, 157,025.97 and 63,487.22

Step by Step Solution

1. Step 1: Write the proportion equation
   113,789.30 : 157,025.97 = 63,487.22 : x
2. Step 2: Convert to fraction form
   113,789.30/157,025.97 = 63,487.22/x
3. Step 3: Cross multiply
   113,789.30x = 157,025.97 × 63,487.22
4. Step 4: Simplify right side
   113,789.30x = 9,969,142,303.10
5. Step 5: Solve for x
   x = 9,969,142,303.10/113,789.30
6. Step 6: Final answer
   x = 87,610.54