Finding the Fourth Proportional to 89,227.58, 123,069.78 and 57,366.02

Step by Step Solution

1. Step 1: Write the proportion equation
   89,227.58 : 123,069.78 = 57,366.02 : x
2. Step 2: Convert to fraction form
   89,227.58/123,069.78 = 57,366.02/x
3. Step 3: Cross multiply
   89,227.58x = 123,069.78 × 57,366.02
4. Step 4: Simplify right side
   89,227.58x = 7,060,023,768.55
5. Step 5: Solve for x
   x = 7,060,023,768.55/89,227.58
6. Step 6: Final answer
   x = 79,123.79