Finding the Fourth Proportional to 9,248.72, 12,762.84 and 5,056.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,248.72 : 12,762.84 = 5,056.88 : x
2. Step 2: Convert to fraction form
   9,248.72/12,762.84 = 5,056.88/x
3. Step 3: Cross multiply
   9,248.72x = 12,762.84 × 5,056.88
4. Step 4: Simplify right side
   9,248.72x = 64,540,150.34
5. Step 5: Solve for x
   x = 64,540,150.34/9,248.72
6. Step 6: Final answer
   x = 6,978.28