Finding the Fourth Proportional to 63,140.28, 87,144.89 and 37,648.29

Step by Step Solution

1. Step 1: Write the proportion equation
   63,140.28 : 87,144.89 = 37,648.29 : x
2. Step 2: Convert to fraction form
   63,140.28/87,144.89 = 37,648.29/x
3. Step 3: Cross multiply
   63,140.28x = 87,144.89 × 37,648.29
4. Step 4: Simplify right side
   63,140.28x = 3,280,856,335.18
5. Step 5: Solve for x
   x = 3,280,856,335.18/63,140.28
6. Step 6: Final answer
   x = 51,961.38