Finding the Fourth Proportional to 17,683.34, 26,530.16 and 7,147.89

Step by Step Solution

1. Step 1: Write the proportion equation
   17,683.34 : 26,530.16 = 7,147.89 : x
2. Step 2: Convert to fraction form
   17,683.34/26,530.16 = 7,147.89/x
3. Step 3: Cross multiply
   17,683.34x = 26,530.16 × 7,147.89
4. Step 4: Simplify right side
   17,683.34x = 189,634,629.62
5. Step 5: Solve for x
   x = 189,634,629.62/17,683.34
6. Step 6: Final answer
   x = 10,723.92