Finding the Fourth Proportional to 2,521.50, 3,480.15 and 1,417.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.50 : 3,480.15 = 1,417.50 : x
2. Step 2: Convert to fraction form
   2,521.50/3,480.15 = 1,417.50/x
3. Step 3: Cross multiply
   2,521.50x = 3,480.15 × 1,417.50
4. Step 4: Simplify right side
   2,521.50x = 4,933,112.63
5. Step 5: Solve for x
   x = 4,933,112.63/2,521.50
6. Step 6: Final answer
   x = 1,956.42