Finding the Fourth Proportional to 12,401.01, 17,104.90 and 7,922.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,401.01 : 17,104.90 = 7,922.78 : x
2. Step 2: Convert to fraction form
   12,401.01/17,104.90 = 7,922.78/x
3. Step 3: Cross multiply
   12,401.01x = 17,104.90 × 7,922.78
4. Step 4: Simplify right side
   12,401.01x = 135,518,359.62
5. Step 5: Solve for x
   x = 135,518,359.62/12,401.01
6. Step 6: Final answer
   x = 10,928.01