Finding the Fourth Proportional to 42,128.28, 58,136.22 and 23,265

Step by Step Solution

1. Step 1: Write the proportion equation
   42,128.28 : 58,136.22 = 23,265 : x
2. Step 2: Convert to fraction form
   42,128.28/58,136.22 = 23,265/x
3. Step 3: Cross multiply
   42,128.28x = 58,136.22 × 23,265
4. Step 4: Simplify right side
   42,128.28x = 1,352,539,158.30
5. Step 5: Solve for x
   x = 1,352,539,158.30/42,128.28
6. Step 6: Final answer
   x = 32,105.25