Finding the Fourth Proportional to 2,073.18, 2,859.52 and 1,408.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.18 : 2,859.52 = 1,408.86 : x
2. Step 2: Convert to fraction form
   2,073.18/2,859.52 = 1,408.86/x
3. Step 3: Cross multiply
   2,073.18x = 2,859.52 × 1,408.86
4. Step 4: Simplify right side
   2,073.18x = 4,028,663.35
5. Step 5: Solve for x
   x = 4,028,663.35/2,073.18
6. Step 6: Final answer
   x = 1,943.23