Finding the Fourth Proportional to 3,501.89, 5,254.51 and 2,185.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,501.89 : 5,254.51 = 2,185.29 : x
2. Step 2: Convert to fraction form
   3,501.89/5,254.51 = 2,185.29/x
3. Step 3: Cross multiply
   3,501.89x = 5,254.51 × 2,185.29
4. Step 4: Simplify right side
   3,501.89x = 11,482,630.89
5. Step 5: Solve for x
   x = 11,482,630.89/3,501.89
6. Step 6: Final answer
   x = 3,278.98