Finding the Fourth Proportional to 2,422.42, 3,635.90 and 1,190.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,422.42 : 3,635.90 = 1,190.72 : x
2. Step 2: Convert to fraction form
   2,422.42/3,635.90 = 1,190.72/x
3. Step 3: Cross multiply
   2,422.42x = 3,635.90 × 1,190.72
4. Step 4: Simplify right side
   2,422.42x = 4,329,332.70
5. Step 5: Solve for x
   x = 4,329,332.70/2,422.42
6. Step 6: Final answer
   x = 1,787.19