Finding the Fourth Proportional to 10,373.78, 14,315.73 and 5,657.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,373.78 : 14,315.73 = 5,657.96 : x
2. Step 2: Convert to fraction form
   10,373.78/14,315.73 = 5,657.96/x
3. Step 3: Cross multiply
   10,373.78x = 14,315.73 × 5,657.96
4. Step 4: Simplify right side
   10,373.78x = 80,997,827.71
5. Step 5: Solve for x
   x = 80,997,827.71/10,373.78
6. Step 6: Final answer
   x = 7,807.94