Finding the Fourth Proportional to 1,835.94, 2,533.42 and 1,089.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,835.94 : 2,533.42 = 1,089.78 : x
2. Step 2: Convert to fraction form
   1,835.94/2,533.42 = 1,089.78/x
3. Step 3: Cross multiply
   1,835.94x = 2,533.42 × 1,089.78
4. Step 4: Simplify right side
   1,835.94x = 2,760,870.45
5. Step 5: Solve for x
   x = 2,760,870.45/1,835.94
6. Step 6: Final answer
   x = 1,503.79