Finding the Fourth Proportional to 1,495.80, 2,242.04 and 1,086.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,495.80 : 2,242.04 = 1,086.72 : x
2. Step 2: Convert to fraction form
   1,495.80/2,242.04 = 1,086.72/x
3. Step 3: Cross multiply
   1,495.80x = 2,242.04 × 1,086.72
4. Step 4: Simplify right side
   1,495.80x = 2,436,469.71
5. Step 5: Solve for x
   x = 2,436,469.71/1,495.80
6. Step 6: Final answer
   x = 1,628.87