Finding the Fourth Proportional to 1,976.71, 2,726.59 and 1,190

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.71 : 2,726.59 = 1,190 : x
2. Step 2: Convert to fraction form
   1,976.71/2,726.59 = 1,190/x
3. Step 3: Cross multiply
   1,976.71x = 2,726.59 × 1,190
4. Step 4: Simplify right side
   1,976.71x = 3,244,642.10
5. Step 5: Solve for x
   x = 3,244,642.10/1,976.71
6. Step 6: Final answer
   x = 1,641.44