Finding the Fourth Proportional to 2,019.88, 2,787.24 and 1,135.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.88 : 2,787.24 = 1,135.99 : x
2. Step 2: Convert to fraction form
   2,019.88/2,787.24 = 1,135.99/x
3. Step 3: Cross multiply
   2,019.88x = 2,787.24 × 1,135.99
4. Step 4: Simplify right side
   2,019.88x = 3,166,276.77
5. Step 5: Solve for x
   x = 3,166,276.77/2,019.88
6. Step 6: Final answer
   x = 1,567.56