Finding the Fourth Proportional to 10,854.20, 14,978.52 and 6,376.93

Step by Step Solution

1. Step 1: Write the proportion equation
   10,854.20 : 14,978.52 = 6,376.93 : x
2. Step 2: Convert to fraction form
   10,854.20/14,978.52 = 6,376.93/x
3. Step 3: Cross multiply
   10,854.20x = 14,978.52 × 6,376.93
4. Step 4: Simplify right side
   10,854.20x = 95,516,936.10
5. Step 5: Solve for x
   x = 95,516,936.10/10,854.20
6. Step 6: Final answer
   x = 8,800.00