Finding the Fourth Proportional to 12,850.56, 19,262.71 and 7,292.17

Step by Step Solution

1. Step 1: Write the proportion equation
   12,850.56 : 19,262.71 = 7,292.17 : x
2. Step 2: Convert to fraction form
   12,850.56/19,262.71 = 7,292.17/x
3. Step 3: Cross multiply
   12,850.56x = 19,262.71 × 7,292.17
4. Step 4: Simplify right side
   12,850.56x = 140,466,859.67
5. Step 5: Solve for x
   x = 140,466,859.67/12,850.56
6. Step 6: Final answer
   x = 10,930.80