Finding the Fourth Proportional to 1,777.86, 2,667.49 and 737.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,777.86 : 2,667.49 = 737.60 : x
2. Step 2: Convert to fraction form
   1,777.86/2,667.49 = 737.60/x
3. Step 3: Cross multiply
   1,777.86x = 2,667.49 × 737.60
4. Step 4: Simplify right side
   1,777.86x = 1,967,545.45
5. Step 5: Solve for x
   x = 1,967,545.45/1,777.86
6. Step 6: Final answer
   x = 1,106.69