Finding the Fourth Proportional to 17,384.61, 23,990.74 and 9,426.83

Step by Step Solution

1. Step 1: Write the proportion equation
   17,384.61 : 23,990.74 = 9,426.83 : x
2. Step 2: Convert to fraction form
   17,384.61/23,990.74 = 9,426.83/x
3. Step 3: Cross multiply
   17,384.61x = 23,990.74 × 9,426.83
4. Step 4: Simplify right side
   17,384.61x = 226,156,507.60
5. Step 5: Solve for x
   x = 226,156,507.60/17,384.61
6. Step 6: Final answer
   x = 13,009.01