Finding the Fourth Proportional to 1,339.74, 1,848.72 and 750.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339.74 : 1,848.72 = 750.15 : x
2. Step 2: Convert to fraction form
   1,339.74/1,848.72 = 750.15/x
3. Step 3: Cross multiply
   1,339.74x = 1,848.72 × 750.15
4. Step 4: Simplify right side
   1,339.74x = 1,386,817.31
5. Step 5: Solve for x
   x = 1,386,817.31/1,339.74
6. Step 6: Final answer
   x = 1,035.14