Finding the Fourth Proportional to 2,388.94, 3,295.31 and 1,503.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,388.94 : 3,295.31 = 1,503.20 : x
2. Step 2: Convert to fraction form
   2,388.94/3,295.31 = 1,503.20/x
3. Step 3: Cross multiply
   2,388.94x = 3,295.31 × 1,503.20
4. Step 4: Simplify right side
   2,388.94x = 4,953,510.71
5. Step 5: Solve for x
   x = 4,953,510.71/2,388.94
6. Step 6: Final answer
   x = 2,073.52