Finding the Fourth Proportional to 8,901.29, 12,282.71 and 4,921.85

Step by Step Solution

1. Step 1: Write the proportion equation
   8,901.29 : 12,282.71 = 4,921.85 : x
2. Step 2: Convert to fraction form
   8,901.29/12,282.71 = 4,921.85/x
3. Step 3: Cross multiply
   8,901.29x = 12,282.71 × 4,921.85
4. Step 4: Simplify right side
   8,901.29x = 60,453,662.31
5. Step 5: Solve for x
   x = 60,453,662.31/8,901.29
6. Step 6: Final answer
   x = 6,791.56