Finding the Fourth Proportional to 1,191.96, 1,785.99 and 1,146.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,191.96 : 1,785.99 = 1,146.39 : x
2. Step 2: Convert to fraction form
   1,191.96/1,785.99 = 1,146.39/x
3. Step 3: Cross multiply
   1,191.96x = 1,785.99 × 1,146.39
4. Step 4: Simplify right side
   1,191.96x = 2,047,443.47
5. Step 5: Solve for x
   x = 2,047,443.47/1,191.96
6. Step 6: Final answer
   x = 1,717.72