Finding the Fourth Proportional to 16,407.81, 24,615.61 and 5,314.49

Step by Step Solution

1. Step 1: Write the proportion equation
   16,407.81 : 24,615.61 = 5,314.49 : x
2. Step 2: Convert to fraction form
   16,407.81/24,615.61 = 5,314.49/x
3. Step 3: Cross multiply
   16,407.81x = 24,615.61 × 5,314.49
4. Step 4: Simplify right side
   16,407.81x = 130,819,276.82
5. Step 5: Solve for x
   x = 130,819,276.82/16,407.81
6. Step 6: Final answer
   x = 7,972.99