Finding the Fourth Proportional to 89,215.83, 123,123.51 and 58,948.02

Step by Step Solution

1. Step 1: Write the proportion equation
   89,215.83 : 123,123.51 = 58,948.02 : x
2. Step 2: Convert to fraction form
   89,215.83/123,123.51 = 58,948.02/x
3. Step 3: Cross multiply
   89,215.83x = 123,123.51 × 58,948.02
4. Step 4: Simplify right side
   89,215.83x = 7,257,887,129.95
5. Step 5: Solve for x
   x = 7,257,887,129.95/89,215.83
6. Step 6: Final answer
   x = 81,352.01