Finding the Fourth Proportional to 17,342, 23,931.98 and 9,384.20

Step by Step Solution

1. Step 1: Write the proportion equation
   17,342 : 23,931.98 = 9,384.20 : x
2. Step 2: Convert to fraction form
   17,342/23,931.98 = 9,384.20/x
3. Step 3: Cross multiply
   17,342x = 23,931.98 × 9,384.20
4. Step 4: Simplify right side
   17,342x = 224,582,486.72
5. Step 5: Solve for x
   x = 224,582,486.72/17,342
6. Step 6: Final answer
   x = 12,950.21