Finding the Fourth Proportional to 2,454.26, 3,677.72 and 2,100.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,454.26 : 3,677.72 = 2,100.98 : x
2. Step 2: Convert to fraction form
   2,454.26/3,677.72 = 2,100.98/x
3. Step 3: Cross multiply
   2,454.26x = 3,677.72 × 2,100.98
4. Step 4: Simplify right side
   2,454.26x = 7,726,816.17
5. Step 5: Solve for x
   x = 7,726,816.17/2,454.26
6. Step 6: Final answer
   x = 3,148.33