Finding the Fourth Proportional to 10,311.06, 15,468.69 and 4,387.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,311.06 : 15,468.69 = 4,387.94 : x
2. Step 2: Convert to fraction form
   10,311.06/15,468.69 = 4,387.94/x
3. Step 3: Cross multiply
   10,311.06x = 15,468.69 × 4,387.94
4. Step 4: Simplify right side
   10,311.06x = 67,875,683.60
5. Step 5: Solve for x
   x = 67,875,683.60/10,311.06
6. Step 6: Final answer
   x = 6,582.80