Finding the Fourth Proportional to 1,787.50, 2,679.33 and 747.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,787.50 : 2,679.33 = 747.23 : x
2. Step 2: Convert to fraction form
   1,787.50/2,679.33 = 747.23/x
3. Step 3: Cross multiply
   1,787.50x = 2,679.33 × 747.23
4. Step 4: Simplify right side
   1,787.50x = 2,002,075.76
5. Step 5: Solve for x
   x = 2,002,075.76/1,787.50
6. Step 6: Final answer
   x = 1,120.05