Finding the Fourth Proportional to 10,151.04, 14,008.74 and 5,613.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,151.04 : 14,008.74 = 5,613.78 : x
2. Step 2: Convert to fraction form
   10,151.04/14,008.74 = 5,613.78/x
3. Step 3: Cross multiply
   10,151.04x = 14,008.74 × 5,613.78
4. Step 4: Simplify right side
   10,151.04x = 78,641,984.44
5. Step 5: Solve for x
   x = 78,641,984.44/10,151.04
6. Step 6: Final answer
   x = 7,747.18