Finding the Fourth Proportional to 1,490.54, 2,237.15 and 1,095.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,490.54 : 2,237.15 = 1,095.72 : x
2. Step 2: Convert to fraction form
   1,490.54/2,237.15 = 1,095.72/x
3. Step 3: Cross multiply
   1,490.54x = 2,237.15 × 1,095.72
4. Step 4: Simplify right side
   1,490.54x = 2,451,288.63
5. Step 5: Solve for x
   x = 2,451,288.63/1,490.54
6. Step 6: Final answer
   x = 1,644.56