Finding the Fourth Proportional to 10,008.55, 13,822.41 and 7,613.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,008.55 : 13,822.41 = 7,613.79 : x
2. Step 2: Convert to fraction form
   10,008.55/13,822.41 = 7,613.79/x
3. Step 3: Cross multiply
   10,008.55x = 13,822.41 × 7,613.79
4. Step 4: Simplify right side
   10,008.55x = 105,240,927.03
5. Step 5: Solve for x
   x = 105,240,927.03/10,008.55
6. Step 6: Final answer
   x = 10,515.10