Finding the Fourth Proportional to 42,439.32, 58,567.89 and 23,319.90

Step by Step Solution

1. Step 1: Write the proportion equation
   42,439.32 : 58,567.89 = 23,319.90 : x
2. Step 2: Convert to fraction form
   42,439.32/58,567.89 = 23,319.90/x
3. Step 3: Cross multiply
   42,439.32x = 58,567.89 × 23,319.90
4. Step 4: Simplify right side
   42,439.32x = 1,365,797,338.01
5. Step 5: Solve for x
   x = 1,365,797,338.01/42,439.32
6. Step 6: Final answer
   x = 32,182.36