Finding the Fourth Proportional to 2,103.48, 3,152.76 and 1,860.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.48 : 3,152.76 = 1,860.48 : x
2. Step 2: Convert to fraction form
   2,103.48/3,152.76 = 1,860.48/x
3. Step 3: Cross multiply
   2,103.48x = 3,152.76 × 1,860.48
4. Step 4: Simplify right side
   2,103.48x = 5,865,646.92
5. Step 5: Solve for x
   x = 5,865,646.92/2,103.48
6. Step 6: Final answer
   x = 2,788.54