Finding the Fourth Proportional to 2,573.85, 3,549.32 and 2,100.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573.85 : 3,549.32 = 2,100.23 : x
2. Step 2: Convert to fraction form
   2,573.85/3,549.32 = 2,100.23/x
3. Step 3: Cross multiply
   2,573.85x = 3,549.32 × 2,100.23
4. Step 4: Simplify right side
   2,573.85x = 7,454,381.28
5. Step 5: Solve for x
   x = 7,454,381.28/2,573.85
6. Step 6: Final answer
   x = 2,896.19