Finding the Fourth Proportional to 1,339.55, 1,848.54 and 742.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339.55 : 1,848.54 = 742.06 : x
2. Step 2: Convert to fraction form
   1,339.55/1,848.54 = 742.06/x
3. Step 3: Cross multiply
   1,339.55x = 1,848.54 × 742.06
4. Step 4: Simplify right side
   1,339.55x = 1,371,727.59
5. Step 5: Solve for x
   x = 1,371,727.59/1,339.55
6. Step 6: Final answer
   x = 1,024.02