Finding the Fourth Proportional to 42,589.31, 58,772.45 and 23,470.85

Step by Step Solution

1. Step 1: Write the proportion equation
   42,589.31 : 58,772.45 = 23,470.85 : x
2. Step 2: Convert to fraction form
   42,589.31/58,772.45 = 23,470.85/x
3. Step 3: Cross multiply
   42,589.31x = 58,772.45 × 23,470.85
4. Step 4: Simplify right side
   42,589.31x = 1,379,439,563.69
5. Step 5: Solve for x
   x = 1,379,439,563.69/42,589.31
6. Step 6: Final answer
   x = 32,389.34