Finding the Fourth Proportional to 10,381.58, 14,326.53 and 5,665.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,381.58 : 14,326.53 = 5,665.82 : x
2. Step 2: Convert to fraction form
   10,381.58/14,326.53 = 5,665.82/x
3. Step 3: Cross multiply
   10,381.58x = 14,326.53 × 5,665.82
4. Step 4: Simplify right side
   10,381.58x = 81,171,540.20
5. Step 5: Solve for x
   x = 81,171,540.20/10,381.58
6. Step 6: Final answer
   x = 7,818.80