Finding the Fourth Proportional to 16,715.55, 23,069.77 and 9,641.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,715.55 : 23,069.77 = 9,641.82 : x
2. Step 2: Convert to fraction form
   16,715.55/23,069.77 = 9,641.82/x
3. Step 3: Cross multiply
   16,715.55x = 23,069.77 × 9,641.82
4. Step 4: Simplify right side
   16,715.55x = 222,434,569.78
5. Step 5: Solve for x
   x = 222,434,569.78/16,715.55
6. Step 6: Final answer
   x = 13,307.04