Finding the Fourth Proportional to 63,148.72, 87,141.84 and 39,274.72

Step by Step Solution

1. Step 1: Write the proportion equation
   63,148.72 : 87,141.84 = 39,274.72 : x
2. Step 2: Convert to fraction form
   63,148.72/87,141.84 = 39,274.72/x
3. Step 3: Cross multiply
   63,148.72x = 87,141.84 × 39,274.72
4. Step 4: Simplify right side
   63,148.72x = 3,422,471,366.28
5. Step 5: Solve for x
   x = 3,422,471,366.28/63,148.72
6. Step 6: Final answer
   x = 54,197.00