Finding the Fourth Proportional to 63,143.78, 87,149.72 and 37,651.80

Step by Step Solution

1. Step 1: Write the proportion equation
   63,143.78 : 87,149.72 = 37,651.80 : x
2. Step 2: Convert to fraction form
   63,143.78/87,149.72 = 37,651.80/x
3. Step 3: Cross multiply
   63,143.78x = 87,149.72 × 37,651.80
4. Step 4: Simplify right side
   63,143.78x = 3,281,343,827.50
5. Step 5: Solve for x
   x = 3,281,343,827.50/63,143.78
6. Step 6: Final answer
   x = 51,966.22