Finding the Fourth Proportional to 10,373.48, 14,315.55 and 5,657.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,373.48 : 14,315.55 = 5,657.75 : x
2. Step 2: Convert to fraction form
   10,373.48/14,315.55 = 5,657.75/x
3. Step 3: Cross multiply
   10,373.48x = 14,315.55 × 5,657.75
4. Step 4: Simplify right side
   10,373.48x = 80,993,803.01
5. Step 5: Solve for x
   x = 80,993,803.01/10,373.48
6. Step 6: Final answer
   x = 7,807.78