Finding the Fourth Proportional to 1,334.41, 1,998.69 and 1,100.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,334.41 : 1,998.69 = 1,100.67 : x
2. Step 2: Convert to fraction form
   1,334.41/1,998.69 = 1,100.67/x
3. Step 3: Cross multiply
   1,334.41x = 1,998.69 × 1,100.67
4. Step 4: Simplify right side
   1,334.41x = 2,199,898.12
5. Step 5: Solve for x
   x = 2,199,898.12/1,334.41
6. Step 6: Final answer
   x = 1,648.59