Finding the Fourth Proportional to 72,446.52, 99,826.38 and 58,242.36

Step by Step Solution

1. Step 1: Write the proportion equation
   72,446.52 : 99,826.38 = 58,242.36 : x
2. Step 2: Convert to fraction form
   72,446.52/99,826.38 = 58,242.36/x
3. Step 3: Cross multiply
   72,446.52x = 99,826.38 × 58,242.36
4. Step 4: Simplify right side
   72,446.52x = 5,814,123,961.46
5. Step 5: Solve for x
   x = 5,814,123,961.46/72,446.52
6. Step 6: Final answer
   x = 80,254.01