Finding the Fourth Proportional to 8,898.93, 12,280.05 and 4,919.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,898.93 : 12,280.05 = 4,919.82 : x
2. Step 2: Convert to fraction form
   8,898.93/12,280.05 = 4,919.82/x
3. Step 3: Cross multiply
   8,898.93x = 12,280.05 × 4,919.82
4. Step 4: Simplify right side
   8,898.93x = 60,415,635.59
5. Step 5: Solve for x
   x = 60,415,635.59/8,898.93
6. Step 6: Final answer
   x = 6,789.09