Finding the Fourth Proportional to 1,339.60, 1,848.52 and 750.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339.60 : 1,848.52 = 750.12 : x
2. Step 2: Convert to fraction form
   1,339.60/1,848.52 = 750.12/x
3. Step 3: Cross multiply
   1,339.60x = 1,848.52 × 750.12
4. Step 4: Simplify right side
   1,339.60x = 1,386,611.82
5. Step 5: Solve for x
   x = 1,386,611.82/1,339.60
6. Step 6: Final answer
   x = 1,035.09