Finding the Fourth Proportional to 10,373.57, 14,315.37 and 5,657.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,373.57 : 14,315.37 = 5,657.75 : x
2. Step 2: Convert to fraction form
   10,373.57/14,315.37 = 5,657.75/x
3. Step 3: Cross multiply
   10,373.57x = 14,315.37 × 5,657.75
4. Step 4: Simplify right side
   10,373.57x = 80,992,784.62
5. Step 5: Solve for x
   x = 80,992,784.62/10,373.57
6. Step 6: Final answer
   x = 7,807.61