Finding the Fourth Proportional to 10,372.63, 14,314.58 and 5,657.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,372.63 : 14,314.58 = 5,657.17 : x
2. Step 2: Convert to fraction form
   10,372.63/14,314.58 = 5,657.17/x
3. Step 3: Cross multiply
   10,372.63x = 14,314.58 × 5,657.17
4. Step 4: Simplify right side
   10,372.63x = 80,980,012.54
5. Step 5: Solve for x
   x = 80,980,012.54/10,372.63
6. Step 6: Final answer
   x = 7,807.09