Finding the Fourth Proportional to 1,870.24, 2,806.40 and 1,597.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.24 : 2,806.40 = 1,597.57 : x
2. Step 2: Convert to fraction form
   1,870.24/2,806.40 = 1,597.57/x
3. Step 3: Cross multiply
   1,870.24x = 2,806.40 × 1,597.57
4. Step 4: Simplify right side
   1,870.24x = 4,483,424.23
5. Step 5: Solve for x
   x = 4,483,424.23/1,870.24
6. Step 6: Final answer
   x = 2,397.25