Finding the Fourth Proportional to 2,407.18, 3,611.25 and 1,020.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,407.18 : 3,611.25 = 1,020.52 : x
2. Step 2: Convert to fraction form
   2,407.18/3,611.25 = 1,020.52/x
3. Step 3: Cross multiply
   2,407.18x = 3,611.25 × 1,020.52
4. Step 4: Simplify right side
   2,407.18x = 3,685,363.22
5. Step 5: Solve for x
   x = 3,685,363.22/2,407.18
6. Step 6: Final answer
   x = 1,530.99