Finding the Fourth Proportional to 10,167.30, 14,030.19 and 5,691.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,167.30 : 14,030.19 = 5,691.42 : x
2. Step 2: Convert to fraction form
   10,167.30/14,030.19 = 5,691.42/x
3. Step 3: Cross multiply
   10,167.30x = 14,030.19 × 5,691.42
4. Step 4: Simplify right side
   10,167.30x = 79,851,703.97
5. Step 5: Solve for x
   x = 79,851,703.97/10,167.30
6. Step 6: Final answer
   x = 7,853.78