Finding the Fourth Proportional to 1,876.52, 2,589.72 and 1,247.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,876.52 : 2,589.72 = 1,247.24 : x
2. Step 2: Convert to fraction form
   1,876.52/2,589.72 = 1,247.24/x
3. Step 3: Cross multiply
   1,876.52x = 2,589.72 × 1,247.24
4. Step 4: Simplify right side
   1,876.52x = 3,230,002.37
5. Step 5: Solve for x
   x = 3,230,002.37/1,876.52
6. Step 6: Final answer
   x = 1,721.27