Finding the Fourth Proportional to 1,152.60, 1,716.67 and 1,147.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152.60 : 1,716.67 = 1,147.02 : x
2. Step 2: Convert to fraction form
   1,152.60/1,716.67 = 1,147.02/x
3. Step 3: Cross multiply
   1,152.60x = 1,716.67 × 1,147.02
4. Step 4: Simplify right side
   1,152.60x = 1,969,054.82
5. Step 5: Solve for x
   x = 1,969,054.82/1,152.60
6. Step 6: Final answer
   x = 1,708.36