Finding the Fourth Proportional to 16,854.75, 23,259.69 and 9,781.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,854.75 : 23,259.69 = 9,781.56 : x
2. Step 2: Convert to fraction form
   16,854.75/23,259.69 = 9,781.56/x
3. Step 3: Cross multiply
   16,854.75x = 23,259.69 × 9,781.56
4. Step 4: Simplify right side
   16,854.75x = 227,516,053.32
5. Step 5: Solve for x
   x = 227,516,053.32/16,854.75
6. Step 6: Final answer
   x = 13,498.63