Finding the Fourth Proportional to 2,399.33, 3,312.71 and 1,503.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.33 : 3,312.71 = 1,503.42 : x
2. Step 2: Convert to fraction form
   2,399.33/3,312.71 = 1,503.42/x
3. Step 3: Cross multiply
   2,399.33x = 3,312.71 × 1,503.42
4. Step 4: Simplify right side
   2,399.33x = 4,980,386.95
5. Step 5: Solve for x
   x = 4,980,386.95/2,399.33
6. Step 6: Final answer
   x = 2,075.75