Finding the Fourth Proportional to 1,259.34, 1,733.67 and 1,062.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,259.34 : 1,733.67 = 1,062.78 : x
2. Step 2: Convert to fraction form
   1,259.34/1,733.67 = 1,062.78/x
3. Step 3: Cross multiply
   1,259.34x = 1,733.67 × 1,062.78
4. Step 4: Simplify right side
   1,259.34x = 1,842,509.80
5. Step 5: Solve for x
   x = 1,842,509.80/1,259.34
6. Step 6: Final answer
   x = 1,463.08