Finding the Fourth Proportional to 1,781.34, 2,667.15 and 1,197.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,781.34 : 2,667.15 = 1,197.27 : x
2. Step 2: Convert to fraction form
   1,781.34/2,667.15 = 1,197.27/x
3. Step 3: Cross multiply
   1,781.34x = 2,667.15 × 1,197.27
4. Step 4: Simplify right side
   1,781.34x = 3,193,298.68
5. Step 5: Solve for x
   x = 3,193,298.68/1,781.34
6. Step 6: Final answer
   x = 1,792.64