Finding the Fourth Proportional to 89,250.96, 123,153.12 and 57,462.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,250.96 : 123,153.12 = 57,462.72 : x
2. Step 2: Convert to fraction form
   89,250.96/123,153.12 = 57,462.72/x
3. Step 3: Cross multiply
   89,250.96x = 123,153.12 × 57,462.72
4. Step 4: Simplify right side
   89,250.96x = 7,076,713,251.69
5. Step 5: Solve for x
   x = 7,076,713,251.69/89,250.96
6. Step 6: Final answer
   x = 79,290.05