Finding the Fourth Proportional to 12,613.04, 18,926.04 and 5,597.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,613.04 : 18,926.04 = 5,597.86 : x
2. Step 2: Convert to fraction form
   12,613.04/18,926.04 = 5,597.86/x
3. Step 3: Cross multiply
   12,613.04x = 18,926.04 × 5,597.86
4. Step 4: Simplify right side
   12,613.04x = 105,945,322.27
5. Step 5: Solve for x
   x = 105,945,322.27/12,613.04
6. Step 6: Final answer
   x = 8,399.67