Finding the Fourth Proportional to 2,078.61, 2,868.52 and 1,134.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.61 : 2,868.52 = 1,134.45 : x
2. Step 2: Convert to fraction form
   2,078.61/2,868.52 = 1,134.45/x
3. Step 3: Cross multiply
   2,078.61x = 2,868.52 × 1,134.45
4. Step 4: Simplify right side
   2,078.61x = 3,254,192.51
5. Step 5: Solve for x
   x = 3,254,192.51/2,078.61
6. Step 6: Final answer
   x = 1,565.56