Finding the Fourth Proportional to 10,407.49, 14,361.91 and 5,931.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,407.49 : 14,361.91 = 5,931.43 : x
2. Step 2: Convert to fraction form
   10,407.49/14,361.91 = 5,931.43/x
3. Step 3: Cross multiply
   10,407.49x = 14,361.91 × 5,931.43
4. Step 4: Simplify right side
   10,407.49x = 85,186,613.10
5. Step 5: Solve for x
   x = 85,186,613.10/10,407.49
6. Step 6: Final answer
   x = 8,185.13