Finding the Fourth Proportional to 16,160.61, 22,294.58 and 9,869.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,160.61 : 22,294.58 = 9,869.25 : x
2. Step 2: Convert to fraction form
   16,160.61/22,294.58 = 9,869.25/x
3. Step 3: Cross multiply
   16,160.61x = 22,294.58 × 9,869.25
4. Step 4: Simplify right side
   16,160.61x = 220,030,734.32
5. Step 5: Solve for x
   x = 220,030,734.32/16,160.61
6. Step 6: Final answer
   x = 13,615.25