Finding the Fourth Proportional to 1,777.59, 2,667.29 and 1,199.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,777.59 : 2,667.29 = 1,199.25 : x
2. Step 2: Convert to fraction form
   1,777.59/2,667.29 = 1,199.25/x
3. Step 3: Cross multiply
   1,777.59x = 2,667.29 × 1,199.25
4. Step 4: Simplify right side
   1,777.59x = 3,198,741.54
5. Step 5: Solve for x
   x = 3,198,741.54/1,777.59
6. Step 6: Final answer
   x = 1,799.48