Finding the Fourth Proportional to 1,339.55, 1,848.61 and 750.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339.55 : 1,848.61 = 750.12 : x
2. Step 2: Convert to fraction form
   1,339.55/1,848.61 = 750.12/x
3. Step 3: Cross multiply
   1,339.55x = 1,848.61 × 750.12
4. Step 4: Simplify right side
   1,339.55x = 1,386,679.33
5. Step 5: Solve for x
   x = 1,386,679.33/1,339.55
6. Step 6: Final answer
   x = 1,035.18