Finding the Fourth Proportional to 2,185.90, 3,278.17 and 952.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.90 : 3,278.17 = 952.98 : x
2. Step 2: Convert to fraction form
   2,185.90/3,278.17 = 952.98/x
3. Step 3: Cross multiply
   2,185.90x = 3,278.17 × 952.98
4. Step 4: Simplify right side
   2,185.90x = 3,124,030.45
5. Step 5: Solve for x
   x = 3,124,030.45/2,185.90
6. Step 6: Final answer
   x = 1,429.17