Finding the Fourth Proportional to 16,869.94, 23,280.51 and 9,417.94

Step by Step Solution

1. Step 1: Write the proportion equation
   16,869.94 : 23,280.51 = 9,417.94 : x
2. Step 2: Convert to fraction form
   16,869.94/23,280.51 = 9,417.94/x
3. Step 3: Cross multiply
   16,869.94x = 23,280.51 × 9,417.94
4. Step 4: Simplify right side
   16,869.94x = 219,254,423.47
5. Step 5: Solve for x
   x = 219,254,423.47/16,869.94
6. Step 6: Final answer
   x = 12,996.75