Finding the Fourth Proportional to 113,451, 156,563.10 and 63,150.36

Step by Step Solution

1. Step 1: Write the proportion equation
   113,451 : 156,563.10 = 63,150.36 : x
2. Step 2: Convert to fraction form
   113,451/156,563.10 = 63,150.36/x
3. Step 3: Cross multiply
   113,451x = 156,563.10 × 63,150.36
4. Step 4: Simplify right side
   113,451x = 9,887,016,127.72
5. Step 5: Solve for x
   x = 9,887,016,127.72/113,451
6. Step 6: Final answer
   x = 87,147.90