Finding the Fourth Proportional to 17,613.15, 26,419.20 and 7,079.91

Step by Step Solution

1. Step 1: Write the proportion equation
   17,613.15 : 26,419.20 = 7,079.91 : x
2. Step 2: Convert to fraction form
   17,613.15/26,419.20 = 7,079.91/x
3. Step 3: Cross multiply
   17,613.15x = 26,419.20 × 7,079.91
4. Step 4: Simplify right side
   17,613.15x = 187,045,558.27
5. Step 5: Solve for x
   x = 187,045,558.27/17,613.15
6. Step 6: Final answer
   x = 10,619.65