Finding the Fourth Proportional to 42,604.48, 63,863.43 and 17,658.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,604.48 : 63,863.43 = 17,658.10 : x
2. Step 2: Convert to fraction form
   42,604.48/63,863.43 = 17,658.10/x
3. Step 3: Cross multiply
   42,604.48x = 63,863.43 × 17,658.10
4. Step 4: Simplify right side
   42,604.48x = 1,127,706,833.28
5. Step 5: Solve for x
   x = 1,127,706,833.28/42,604.48
6. Step 6: Final answer
   x = 26,469.21