Finding the Fourth Proportional to 16,863.42, 23,271.38 and 9,790.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,863.42 : 23,271.38 = 9,790.50 : x
2. Step 2: Convert to fraction form
   16,863.42/23,271.38 = 9,790.50/x
3. Step 3: Cross multiply
   16,863.42x = 23,271.38 × 9,790.50
4. Step 4: Simplify right side
   16,863.42x = 227,838,445.89
5. Step 5: Solve for x
   x = 227,838,445.89/16,863.42
6. Step 6: Final answer
   x = 13,510.81