Finding the Fourth Proportional to 1,047.66, 1,445.72 and 605.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.66 : 1,445.72 = 605.52 : x
2. Step 2: Convert to fraction form
   1,047.66/1,445.72 = 605.52/x
3. Step 3: Cross multiply
   1,047.66x = 1,445.72 × 605.52
4. Step 4: Simplify right side
   1,047.66x = 875,412.37
5. Step 5: Solve for x
   x = 875,412.37/1,047.66
6. Step 6: Final answer
   x = 835.59