Finding the Fourth Proportional to 89,301.59, 123,211.02 and 57,488.94

Step by Step Solution

1. Step 1: Write the proportion equation
   89,301.59 : 123,211.02 = 57,488.94 : x
2. Step 2: Convert to fraction form
   89,301.59/123,211.02 = 57,488.94/x
3. Step 3: Cross multiply
   89,301.59x = 123,211.02 × 57,488.94
4. Step 4: Simplify right side
   89,301.59x = 7,083,271,151.70
5. Step 5: Solve for x
   x = 7,083,271,151.70/89,301.59
6. Step 6: Final answer
   x = 79,318.53