Finding the Fourth Proportional to 10,280.64, 14,186.88 and 5,803.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,280.64 : 14,186.88 = 5,803.68 : x
2. Step 2: Convert to fraction form
   10,280.64/14,186.88 = 5,803.68/x
3. Step 3: Cross multiply
   10,280.64x = 14,186.88 × 5,803.68
4. Step 4: Simplify right side
   10,280.64x = 82,336,111.72
5. Step 5: Solve for x
   x = 82,336,111.72/10,280.64
6. Step 6: Final answer
   x = 8,008.85