Finding the Fourth Proportional to 89,582.92, 123,491.90 and 57,314.06

Step by Step Solution

1. Step 1: Write the proportion equation
   89,582.92 : 123,491.90 = 57,314.06 : x
2. Step 2: Convert to fraction form
   89,582.92/123,491.90 = 57,314.06/x
3. Step 3: Cross multiply
   89,582.92x = 123,491.90 × 57,314.06
4. Step 4: Simplify right side
   89,582.92x = 7,077,822,166.11
5. Step 5: Solve for x
   x = 7,077,822,166.11/89,582.92
6. Step 6: Final answer
   x = 79,008.61