Finding the Fourth Proportional to 10,375.54, 14,318.32 and 5,659.90

Step by Step Solution

1. Step 1: Write the proportion equation
   10,375.54 : 14,318.32 = 5,659.90 : x
2. Step 2: Convert to fraction form
   10,375.54/14,318.32 = 5,659.90/x
3. Step 3: Cross multiply
   10,375.54x = 14,318.32 × 5,659.90
4. Step 4: Simplify right side
   10,375.54x = 81,040,259.37
5. Step 5: Solve for x
   x = 81,040,259.37/10,375.54
6. Step 6: Final answer
   x = 7,810.70