Finding the Fourth Proportional to 2,259.61, 3,389.42 and 616.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259.61 : 3,389.42 = 616.18 : x
2. Step 2: Convert to fraction form
   2,259.61/3,389.42 = 616.18/x
3. Step 3: Cross multiply
   2,259.61x = 3,389.42 × 616.18
4. Step 4: Simplify right side
   2,259.61x = 2,088,492.82
5. Step 5: Solve for x
   x = 2,088,492.82/2,259.61
6. Step 6: Final answer
   x = 924.27