Finding the Fourth Proportional to 11,613.42, 16,010.64 and 7,979.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,613.42 : 16,010.64 = 7,979.34 : x
2. Step 2: Convert to fraction form
   11,613.42/16,010.64 = 7,979.34/x
3. Step 3: Cross multiply
   11,613.42x = 16,010.64 × 7,979.34
4. Step 4: Simplify right side
   11,613.42x = 127,754,340.18
5. Step 5: Solve for x
   x = 127,754,340.18/11,613.42
6. Step 6: Final answer
   x = 11,000.58