Finding the Fourth Proportional to 2,019.52, 2,787.16 and 1,135.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.52 : 2,787.16 = 1,135.15 : x
2. Step 2: Convert to fraction form
   2,019.52/2,787.16 = 1,135.15/x
3. Step 3: Cross multiply
   2,019.52x = 2,787.16 × 1,135.15
4. Step 4: Simplify right side
   2,019.52x = 3,163,837.00
5. Step 5: Solve for x
   x = 3,163,837.00/2,019.52
6. Step 6: Final answer
   x = 1,566.63