Finding the Fourth Proportional to 42,390.72, 58,500.48 and 23,529.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,390.72 : 58,500.48 = 23,529.12 : x
2. Step 2: Convert to fraction form
   42,390.72/58,500.48 = 23,529.12/x
3. Step 3: Cross multiply
   42,390.72x = 58,500.48 × 23,529.12
4. Step 4: Simplify right side
   42,390.72x = 1,376,464,813.98
5. Step 5: Solve for x
   x = 1,376,464,813.98/42,390.72
6. Step 6: Final answer
   x = 32,470.90