Finding the Fourth Proportional to 113,162.58, 156,166.98 and 62,178.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,162.58 : 156,166.98 = 62,178.50 : x
2. Step 2: Convert to fraction form
   113,162.58/156,166.98 = 62,178.50/x
3. Step 3: Cross multiply
   113,162.58x = 156,166.98 × 62,178.50
4. Step 4: Simplify right side
   113,162.58x = 9,710,227,785.10
5. Step 5: Solve for x
   x = 9,710,227,785.10/113,162.58
6. Step 6: Final answer
   x = 85,807.76