Finding the Fourth Proportional to 2,043.60, 2,819.52 and 1,816.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,043.60 : 2,819.52 = 1,816.80 : x
2. Step 2: Convert to fraction form
   2,043.60/2,819.52 = 1,816.80/x
3. Step 3: Cross multiply
   2,043.60x = 2,819.52 × 1,816.80
4. Step 4: Simplify right side
   2,043.60x = 5,122,503.94
5. Step 5: Solve for x
   x = 5,122,503.94/2,043.60
6. Step 6: Final answer
   x = 2,506.61