Finding the Fourth Proportional to 1,339.35, 1,848.29 and 749.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339.35 : 1,848.29 = 749.87 : x
2. Step 2: Convert to fraction form
   1,339.35/1,848.29 = 749.87/x
3. Step 3: Cross multiply
   1,339.35x = 1,848.29 × 749.87
4. Step 4: Simplify right side
   1,339.35x = 1,385,981.56
5. Step 5: Solve for x
   x = 1,385,981.56/1,339.35
6. Step 6: Final answer
   x = 1,034.82