Finding the Fourth Proportional to 42,142.30, 63,188.82 and 15,849.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,142.30 : 63,188.82 = 15,849.10 : x
2. Step 2: Convert to fraction form
   42,142.30/63,188.82 = 15,849.10/x
3. Step 3: Cross multiply
   42,142.30x = 63,188.82 × 15,849.10
4. Step 4: Simplify right side
   42,142.30x = 1,001,485,927.06
5. Step 5: Solve for x
   x = 1,001,485,927.06/42,142.30
6. Step 6: Final answer
   x = 23,764.39