Finding the Fourth Proportional to 2,978.88, 4,468.10 and 898.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.88 : 4,468.10 = 898.83 : x
2. Step 2: Convert to fraction form
   2,978.88/4,468.10 = 898.83/x
3. Step 3: Cross multiply
   2,978.88x = 4,468.10 × 898.83
4. Step 4: Simplify right side
   2,978.88x = 4,016,057.83
5. Step 5: Solve for x
   x = 4,016,057.83/2,978.88
6. Step 6: Final answer
   x = 1,348.18