Finding the Fourth Proportional to 8,731.52, 12,048.18 and 5,374.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,731.52 : 12,048.18 = 5,374.88 : x
2. Step 2: Convert to fraction form
   8,731.52/12,048.18 = 5,374.88/x
3. Step 3: Cross multiply
   8,731.52x = 12,048.18 × 5,374.88
4. Step 4: Simplify right side
   8,731.52x = 64,757,521.72
5. Step 5: Solve for x
   x = 64,757,521.72/8,731.52
6. Step 6: Final answer
   x = 7,416.52