Finding the Fourth Proportional to 2,760.78, 4,142.52 and 1,300.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,760.78 : 4,142.52 = 1,300.08 : x
2. Step 2: Convert to fraction form
   2,760.78/4,142.52 = 1,300.08/x
3. Step 3: Cross multiply
   2,760.78x = 4,142.52 × 1,300.08
4. Step 4: Simplify right side
   2,760.78x = 5,385,607.40
5. Step 5: Solve for x
   x = 5,385,607.40/2,760.78
6. Step 6: Final answer
   x = 1,950.76