Finding the Fourth Proportional to 2,423.57, 3,635.69 and 1,191.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,423.57 : 3,635.69 = 1,191.02 : x
2. Step 2: Convert to fraction form
   2,423.57/3,635.69 = 1,191.02/x
3. Step 3: Cross multiply
   2,423.57x = 3,635.69 × 1,191.02
4. Step 4: Simplify right side
   2,423.57x = 4,330,182.64
5. Step 5: Solve for x
   x = 4,330,182.64/2,423.57
6. Step 6: Final answer
   x = 1,786.70