Finding the Fourth Proportional to 8,900.83, 12,282.96 and 4,921.92

Step by Step Solution

1. Step 1: Write the proportion equation
   8,900.83 : 12,282.96 = 4,921.92 : x
2. Step 2: Convert to fraction form
   8,900.83/12,282.96 = 4,921.92/x
3. Step 3: Cross multiply
   8,900.83x = 12,282.96 × 4,921.92
4. Step 4: Simplify right side
   8,900.83x = 60,455,746.48
5. Step 5: Solve for x
   x = 60,455,746.48/8,900.83
6. Step 6: Final answer
   x = 6,792.15