Finding the Fourth Proportional to 17,742.72, 24,484.56 and 9,784.80

Step by Step Solution

1. Step 1: Write the proportion equation
   17,742.72 : 24,484.56 = 9,784.80 : x
2. Step 2: Convert to fraction form
   17,742.72/24,484.56 = 9,784.80/x
3. Step 3: Cross multiply
   17,742.72x = 24,484.56 × 9,784.80
4. Step 4: Simplify right side
   17,742.72x = 239,576,522.69
5. Step 5: Solve for x
   x = 239,576,522.69/17,742.72
6. Step 6: Final answer
   x = 13,502.81