Finding the Fourth Proportional to 42,032.04, 63,057.30 and 12,452.18

Step by Step Solution

1. Step 1: Write the proportion equation
   42,032.04 : 63,057.30 = 12,452.18 : x
2. Step 2: Convert to fraction form
   42,032.04/63,057.30 = 12,452.18/x
3. Step 3: Cross multiply
   42,032.04x = 63,057.30 × 12,452.18
4. Step 4: Simplify right side
   42,032.04x = 785,200,849.91
5. Step 5: Solve for x
   x = 785,200,849.91/42,032.04
6. Step 6: Final answer
   x = 18,681.01