Finding the Fourth Proportional to 2,535.30, 3,495.78 and 1,860.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,535.30 : 3,495.78 = 1,860.03 : x
2. Step 2: Convert to fraction form
   2,535.30/3,495.78 = 1,860.03/x
3. Step 3: Cross multiply
   2,535.30x = 3,495.78 × 1,860.03
4. Step 4: Simplify right side
   2,535.30x = 6,502,255.67
5. Step 5: Solve for x
   x = 6,502,255.67/2,535.30
6. Step 6: Final answer
   x = 2,564.69