Finding the Fourth Proportional to 2,402.95, 3,601.59 and 1,085.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.95 : 3,601.59 = 1,085.17 : x
2. Step 2: Convert to fraction form
   2,402.95/3,601.59 = 1,085.17/x
3. Step 3: Cross multiply
   2,402.95x = 3,601.59 × 1,085.17
4. Step 4: Simplify right side
   2,402.95x = 3,908,319.41
5. Step 5: Solve for x
   x = 3,908,319.41/2,402.95
6. Step 6: Final answer
   x = 1,626.47