Finding the Fourth Proportional to 89,392.18, 123,325.95 and 57,579.52

Step by Step Solution

1. Step 1: Write the proportion equation
   89,392.18 : 123,325.95 = 57,579.52 : x
2. Step 2: Convert to fraction form
   89,392.18/123,325.95 = 57,579.52/x
3. Step 3: Cross multiply
   89,392.18x = 123,325.95 × 57,579.52
4. Step 4: Simplify right side
   89,392.18x = 7,101,049,004.54
5. Step 5: Solve for x
   x = 7,101,049,004.54/89,392.18
6. Step 6: Final answer
   x = 79,437.03