Finding the Fourth Proportional to 8,900.06, 12,282.28 and 4,921.62

Step by Step Solution

1. Step 1: Write the proportion equation
   8,900.06 : 12,282.28 = 4,921.62 : x
2. Step 2: Convert to fraction form
   8,900.06/12,282.28 = 4,921.62/x
3. Step 3: Cross multiply
   8,900.06x = 12,282.28 × 4,921.62
4. Step 4: Simplify right side
   8,900.06x = 60,448,714.89
5. Step 5: Solve for x
   x = 60,448,714.89/8,900.06
6. Step 6: Final answer
   x = 6,791.94