Finding the Fourth Proportional to 9,864.42, 14,796.78 and 3,290.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,864.42 : 14,796.78 = 3,290.61 : x
2. Step 2: Convert to fraction form
   9,864.42/14,796.78 = 3,290.61/x
3. Step 3: Cross multiply
   9,864.42x = 14,796.78 × 3,290.61
4. Step 4: Simplify right side
   9,864.42x = 48,690,432.24
5. Step 5: Solve for x
   x = 48,690,432.24/9,864.42
6. Step 6: Final answer
   x = 4,935.97