Finding the Fourth Proportional to 1,853.28, 2,780.46 and 758.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,853.28 : 2,780.46 = 758.52 : x
2. Step 2: Convert to fraction form
   1,853.28/2,780.46 = 758.52/x
3. Step 3: Cross multiply
   1,853.28x = 2,780.46 × 758.52
4. Step 4: Simplify right side
   1,853.28x = 2,109,034.52
5. Step 5: Solve for x
   x = 2,109,034.52/1,853.28
6. Step 6: Final answer
   x = 1,138.00