Finding the Fourth Proportional to 10,437.83, 14,404.25 and 5,657.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,437.83 : 14,404.25 = 5,657.78 : x
2. Step 2: Convert to fraction form
   10,437.83/14,404.25 = 5,657.78/x
3. Step 3: Cross multiply
   10,437.83x = 14,404.25 × 5,657.78
4. Step 4: Simplify right side
   10,437.83x = 81,495,977.25
5. Step 5: Solve for x
   x = 81,495,977.25/10,437.83
6. Step 6: Final answer
   x = 7,807.75