Finding the Fourth Proportional to 8,900.02, 12,282.15 and 4,921.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,900.02 : 12,282.15 = 4,921.05 : x
2. Step 2: Convert to fraction form
   8,900.02/12,282.15 = 4,921.05/x
3. Step 3: Cross multiply
   8,900.02x = 12,282.15 × 4,921.05
4. Step 4: Simplify right side
   8,900.02x = 60,441,074.26
5. Step 5: Solve for x
   x = 60,441,074.26/8,900.02
6. Step 6: Final answer
   x = 6,791.12