Finding the Fourth Proportional to 3,498.64, 4,827.54 and 2,101.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,498.64 : 4,827.54 = 2,101.39 : x
2. Step 2: Convert to fraction form
   3,498.64/4,827.54 = 2,101.39/x
3. Step 3: Cross multiply
   3,498.64x = 4,827.54 × 2,101.39
4. Step 4: Simplify right side
   3,498.64x = 10,144,544.28
5. Step 5: Solve for x
   x = 10,144,544.28/3,498.64
6. Step 6: Final answer
   x = 2,899.57