Finding the Fourth Proportional to 2,073.60, 2,862.72 and 1,445.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.60 : 2,862.72 = 1,445.04 : x
2. Step 2: Convert to fraction form
   2,073.60/2,862.72 = 1,445.04/x
3. Step 3: Cross multiply
   2,073.60x = 2,862.72 × 1,445.04
4. Step 4: Simplify right side
   2,073.60x = 4,136,744.91
5. Step 5: Solve for x
   x = 4,136,744.91/2,073.60
6. Step 6: Final answer
   x = 1,994.96