Finding the Fourth Proportional to 1,077.14, 1,485.74 and 740.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,077.14 : 1,485.74 = 740.59 : x
2. Step 2: Convert to fraction form
   1,077.14/1,485.74 = 740.59/x
3. Step 3: Cross multiply
   1,077.14x = 1,485.74 × 740.59
4. Step 4: Simplify right side
   1,077.14x = 1,100,322.32
5. Step 5: Solve for x
   x = 1,100,322.32/1,077.14
6. Step 6: Final answer
   x = 1,021.52