Finding the Fourth Proportional to 16,870.29, 23,283.84 and 9,800.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,870.29 : 23,283.84 = 9,800.81 : x
2. Step 2: Convert to fraction form
   16,870.29/23,283.84 = 9,800.81/x
3. Step 3: Cross multiply
   16,870.29x = 23,283.84 × 9,800.81
4. Step 4: Simplify right side
   16,870.29x = 228,200,499.56
5. Step 5: Solve for x
   x = 228,200,499.56/16,870.29
6. Step 6: Final answer
   x = 13,526.77