Finding the Fourth Proportional to 1,373.20, 2,060.52 and 826.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.20 : 2,060.52 = 826.48 : x
2. Step 2: Convert to fraction form
   1,373.20/2,060.52 = 826.48/x
3. Step 3: Cross multiply
   1,373.20x = 2,060.52 × 826.48
4. Step 4: Simplify right side
   1,373.20x = 1,702,978.57
5. Step 5: Solve for x
   x = 1,702,978.57/1,373.20
6. Step 6: Final answer
   x = 1,240.15