Finding the Fourth Proportional to 10,380.94, 14,326.26 and 5,665.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,380.94 : 14,326.26 = 5,665.25 : x
2. Step 2: Convert to fraction form
   10,380.94/14,326.26 = 5,665.25/x
3. Step 3: Cross multiply
   10,380.94x = 14,326.26 × 5,665.25
4. Step 4: Simplify right side
   10,380.94x = 81,161,844.47
5. Step 5: Solve for x
   x = 81,161,844.47/10,380.94
6. Step 6: Final answer
   x = 7,818.35