Finding the Fourth Proportional to 2,320.89, 3,479.18 and 1,150.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,320.89 : 3,479.18 = 1,150.17 : x
2. Step 2: Convert to fraction form
   2,320.89/3,479.18 = 1,150.17/x
3. Step 3: Cross multiply
   2,320.89x = 3,479.18 × 1,150.17
4. Step 4: Simplify right side
   2,320.89x = 4,001,642.71
5. Step 5: Solve for x
   x = 4,001,642.71/2,320.89
6. Step 6: Final answer
   x = 1,724.18