Finding the Fourth Proportional to 1,152.42, 1,729.52 and 845.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152.42 : 1,729.52 = 845.08 : x
2. Step 2: Convert to fraction form
   1,152.42/1,729.52 = 845.08/x
3. Step 3: Cross multiply
   1,152.42x = 1,729.52 × 845.08
4. Step 4: Simplify right side
   1,152.42x = 1,461,582.76
5. Step 5: Solve for x
   x = 1,461,582.76/1,152.42
6. Step 6: Final answer
   x = 1,268.27