Finding the Fourth Proportional to 1,659.12, 2,487.72 and 734.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,659.12 : 2,487.72 = 734.19 : x
2. Step 2: Convert to fraction form
   1,659.12/2,487.72 = 734.19/x
3. Step 3: Cross multiply
   1,659.12x = 2,487.72 × 734.19
4. Step 4: Simplify right side
   1,659.12x = 1,826,459.15
5. Step 5: Solve for x
   x = 1,826,459.15/1,659.12
6. Step 6: Final answer
   x = 1,100.86