Finding the Fourth Proportional to 89,562.76, 123,526.63 and 55,552.17

Step by Step Solution

1. Step 1: Write the proportion equation
   89,562.76 : 123,526.63 = 55,552.17 : x
2. Step 2: Convert to fraction form
   89,562.76/123,526.63 = 55,552.17/x
3. Step 3: Cross multiply
   89,562.76x = 123,526.63 × 55,552.17
4. Step 4: Simplify right side
   89,562.76x = 6,862,172,881.95
5. Step 5: Solve for x
   x = 6,862,172,881.95/89,562.76
6. Step 6: Final answer
   x = 76,618.60