Finding the Fourth Proportional to 63,071.28, 87,008.04 and 39,225.96

Step by Step Solution

1. Step 1: Write the proportion equation
   63,071.28 : 87,008.04 = 39,225.96 : x
2. Step 2: Convert to fraction form
   63,071.28/87,008.04 = 39,225.96/x
3. Step 3: Cross multiply
   63,071.28x = 87,008.04 × 39,225.96
4. Step 4: Simplify right side
   63,071.28x = 3,412,973,896.72
5. Step 5: Solve for x
   x = 3,412,973,896.72/63,071.28
6. Step 6: Final answer
   x = 54,112.96