Finding the Fourth Proportional to 1,608.12, 2,411.72 and 730.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,608.12 : 2,411.72 = 730.13 : x
2. Step 2: Convert to fraction form
   1,608.12/2,411.72 = 730.13/x
3. Step 3: Cross multiply
   1,608.12x = 2,411.72 × 730.13
4. Step 4: Simplify right side
   1,608.12x = 1,760,856.15
5. Step 5: Solve for x
   x = 1,760,856.15/1,608.12
6. Step 6: Final answer
   x = 1,094.98