Finding the Fourth Proportional to 42,103.89, 63,149.04 and 17,142.93

Step by Step Solution

1. Step 1: Write the proportion equation
   42,103.89 : 63,149.04 = 17,142.93 : x
2. Step 2: Convert to fraction form
   42,103.89/63,149.04 = 17,142.93/x
3. Step 3: Cross multiply
   42,103.89x = 63,149.04 × 17,142.93
4. Step 4: Simplify right side
   42,103.89x = 1,082,559,572.29
5. Step 5: Solve for x
   x = 1,082,559,572.29/42,103.89
6. Step 6: Final answer
   x = 25,711.63