Finding the Fourth Proportional to 16,407.90, 24,613.56 and 5,314.14

Step by Step Solution

1. Step 1: Write the proportion equation
   16,407.90 : 24,613.56 = 5,314.14 : x
2. Step 2: Convert to fraction form
   16,407.90/24,613.56 = 5,314.14/x
3. Step 3: Cross multiply
   16,407.90x = 24,613.56 × 5,314.14
4. Step 4: Simplify right side
   16,407.90x = 130,799,903.74
5. Step 5: Solve for x
   x = 130,799,903.74/16,407.90
6. Step 6: Final answer
   x = 7,971.76