Finding the Fourth Proportional to 42,548.28, 58,718.04 and 23,430.05

Step by Step Solution

1. Step 1: Write the proportion equation
   42,548.28 : 58,718.04 = 23,430.05 : x
2. Step 2: Convert to fraction form
   42,548.28/58,718.04 = 23,430.05/x
3. Step 3: Cross multiply
   42,548.28x = 58,718.04 × 23,430.05
4. Step 4: Simplify right side
   42,548.28x = 1,375,766,613.10
5. Step 5: Solve for x
   x = 1,375,766,613.10/42,548.28
6. Step 6: Final answer
   x = 32,334.25