Finding the Fourth Proportional to 2,288.40, 3,153.24 and 1,762.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.40 : 3,153.24 = 1,762.80 : x
2. Step 2: Convert to fraction form
   2,288.40/3,153.24 = 1,762.80/x
3. Step 3: Cross multiply
   2,288.40x = 3,153.24 × 1,762.80
4. Step 4: Simplify right side
   2,288.40x = 5,558,531.47
5. Step 5: Solve for x
   x = 5,558,531.47/2,288.40
6. Step 6: Final answer
   x = 2,429.00