Finding the Fourth Proportional to 2,321.59, 3,480.73 and 1,088.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321.59 : 3,480.73 = 1,088.33 : x
2. Step 2: Convert to fraction form
   2,321.59/3,480.73 = 1,088.33/x
3. Step 3: Cross multiply
   2,321.59x = 3,480.73 × 1,088.33
4. Step 4: Simplify right side
   2,321.59x = 3,788,160.04
5. Step 5: Solve for x
   x = 3,788,160.04/2,321.59
6. Step 6: Final answer
   x = 1,631.71