Finding the Fourth Proportional to 10,375.86, 14,318.67 and 5,660.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,375.86 : 14,318.67 = 5,660.15 : x
2. Step 2: Convert to fraction form
   10,375.86/14,318.67 = 5,660.15/x
3. Step 3: Cross multiply
   10,375.86x = 14,318.67 × 5,660.15
4. Step 4: Simplify right side
   10,375.86x = 81,045,769.63
5. Step 5: Solve for x
   x = 81,045,769.63/10,375.86
6. Step 6: Final answer
   x = 7,810.99