Finding the Fourth Proportional to 1,401.08, 2,100.78 and 1,195.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.08 : 2,100.78 = 1,195.72 : x
2. Step 2: Convert to fraction form
   1,401.08/2,100.78 = 1,195.72/x
3. Step 3: Cross multiply
   1,401.08x = 2,100.78 × 1,195.72
4. Step 4: Simplify right side
   1,401.08x = 2,511,944.66
5. Step 5: Solve for x
   x = 2,511,944.66/1,401.08
6. Step 6: Final answer
   x = 1,792.86