Finding the Fourth Proportional to 2,692.55, 4,038.53 and 744.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,692.55 : 4,038.53 = 744.50 : x
2. Step 2: Convert to fraction form
   2,692.55/4,038.53 = 744.50/x
3. Step 3: Cross multiply
   2,692.55x = 4,038.53 × 744.50
4. Step 4: Simplify right side
   2,692.55x = 3,006,681.86
5. Step 5: Solve for x
   x = 3,006,681.86/2,692.55
6. Step 6: Final answer
   x = 1,116.67