Finding the Fourth Proportional to 1,429.06, 2,142.27 and 734.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.06 : 2,142.27 = 734.20 : x
2. Step 2: Convert to fraction form
   1,429.06/2,142.27 = 734.20/x
3. Step 3: Cross multiply
   1,429.06x = 2,142.27 × 734.20
4. Step 4: Simplify right side
   1,429.06x = 1,572,854.63
5. Step 5: Solve for x
   x = 1,572,854.63/1,429.06
6. Step 6: Final answer
   x = 1,100.62