Finding the Fourth Proportional to 1,612.71, 2,419.29 and 734.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,612.71 : 2,419.29 = 734.72 : x
2. Step 2: Convert to fraction form
   1,612.71/2,419.29 = 734.72/x
3. Step 3: Cross multiply
   1,612.71x = 2,419.29 × 734.72
4. Step 4: Simplify right side
   1,612.71x = 1,777,488.65
5. Step 5: Solve for x
   x = 1,777,488.65/1,612.71
6. Step 6: Final answer
   x = 1,102.18