Finding the Fourth Proportional to 10,437.48, 14,403.78 and 5,657.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,437.48 : 14,403.78 = 5,657.46 : x
2. Step 2: Convert to fraction form
   10,437.48/14,403.78 = 5,657.46/x
3. Step 3: Cross multiply
   10,437.48x = 14,403.78 × 5,657.46
4. Step 4: Simplify right side
   10,437.48x = 81,488,809.20
5. Step 5: Solve for x
   x = 81,488,809.20/10,437.48
6. Step 6: Final answer
   x = 7,807.33