Finding the Fourth Proportional to 113,766.01, 156,997.54 and 62,780.22

Step by Step Solution

1. Step 1: Write the proportion equation
   113,766.01 : 156,997.54 = 62,780.22 : x
2. Step 2: Convert to fraction form
   113,766.01/156,997.54 = 62,780.22/x
3. Step 3: Cross multiply
   113,766.01x = 156,997.54 × 62,780.22
4. Step 4: Simplify right side
   113,766.01x = 9,856,340,100.66
5. Step 5: Solve for x
   x = 9,856,340,100.66/113,766.01
6. Step 6: Final answer
   x = 86,636.95