Finding the Fourth Proportional to 89,700.83, 123,800.76 and 68,155.25

Step by Step Solution

1. Step 1: Write the proportion equation
   89,700.83 : 123,800.76 = 68,155.25 : x
2. Step 2: Convert to fraction form
   89,700.83/123,800.76 = 68,155.25/x
3. Step 3: Cross multiply
   89,700.83x = 123,800.76 × 68,155.25
4. Step 4: Simplify right side
   89,700.83x = 8,437,671,747.99
5. Step 5: Solve for x
   x = 8,437,671,747.99/89,700.83
6. Step 6: Final answer
   x = 94,064.59