Finding the Fourth Proportional to 42,558, 58,731.12 and 23,694.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,558 : 58,731.12 = 23,694.72 : x
2. Step 2: Convert to fraction form
   42,558/58,731.12 = 23,694.72/x
3. Step 3: Cross multiply
   42,558x = 58,731.12 × 23,694.72
4. Step 4: Simplify right side
   42,558x = 1,391,617,443.69
5. Step 5: Solve for x
   x = 1,391,617,443.69/42,558
6. Step 6: Final answer
   x = 32,699.31