Finding the Fourth Proportional to 3,498.75, 4,828.86 and 2,101.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,498.75 : 4,828.86 = 2,101.23 : x
2. Step 2: Convert to fraction form
   3,498.75/4,828.86 = 2,101.23/x
3. Step 3: Cross multiply
   3,498.75x = 4,828.86 × 2,101.23
4. Step 4: Simplify right side
   3,498.75x = 10,146,545.50
5. Step 5: Solve for x
   x = 10,146,545.50/3,498.75
6. Step 6: Final answer
   x = 2,900.05