Finding the Fourth Proportional to 2,760.12, 3,810.16 and 1,920.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,760.12 : 3,810.16 = 1,920.52 : x
2. Step 2: Convert to fraction form
   2,760.12/3,810.16 = 1,920.52/x
3. Step 3: Cross multiply
   2,760.12x = 3,810.16 × 1,920.52
4. Step 4: Simplify right side
   2,760.12x = 7,317,482.29
5. Step 5: Solve for x
   x = 7,317,482.29/2,760.12
6. Step 6: Final answer
   x = 2,651.15