Finding the Fourth Proportional to 113,632.72, 156,814.24 and 62,647.31

Step by Step Solution

1. Step 1: Write the proportion equation
   113,632.72 : 156,814.24 = 62,647.31 : x
2. Step 2: Convert to fraction form
   113,632.72/156,814.24 = 62,647.31/x
3. Step 3: Cross multiply
   113,632.72x = 156,814.24 × 62,647.31
4. Step 4: Simplify right side
   113,632.72x = 9,823,990,541.11
5. Step 5: Solve for x
   x = 9,823,990,541.11/113,632.72
6. Step 6: Final answer
   x = 86,453.89