Finding the Fourth Proportional to 113,124.10, 156,118.20 and 62,823.10

Step by Step Solution

1. Step 1: Write the proportion equation
   113,124.10 : 156,118.20 = 62,823.10 : x
2. Step 2: Convert to fraction form
   113,124.10/156,118.20 = 62,823.10/x
3. Step 3: Cross multiply
   113,124.10x = 156,118.20 × 62,823.10
4. Step 4: Simplify right side
   113,124.10x = 9,807,829,290.42
5. Step 5: Solve for x
   x = 9,807,829,290.42/113,124.10
6. Step 6: Final answer
   x = 86,699.73