Finding the Fourth Proportional to 16,275.60, 22,460.96 and 9,561.17

Step by Step Solution

1. Step 1: Write the proportion equation
   16,275.60 : 22,460.96 = 9,561.17 : x
2. Step 2: Convert to fraction form
   16,275.60/22,460.96 = 9,561.17/x
3. Step 3: Cross multiply
   16,275.60x = 22,460.96 × 9,561.17
4. Step 4: Simplify right side
   16,275.60x = 214,752,968.52
5. Step 5: Solve for x
   x = 214,752,968.52/16,275.60
6. Step 6: Final answer
   x = 13,194.78