Finding the Fourth Proportional to 10,637.86, 15,958.52 and 3,142.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,637.86 : 15,958.52 = 3,142.18 : x
2. Step 2: Convert to fraction form
   10,637.86/15,958.52 = 3,142.18/x
3. Step 3: Cross multiply
   10,637.86x = 15,958.52 × 3,142.18
4. Step 4: Simplify right side
   10,637.86x = 50,144,498.55
5. Step 5: Solve for x
   x = 50,144,498.55/10,637.86
6. Step 6: Final answer
   x = 4,713.78