Finding the Fourth Proportional to 1,211.17, 1,671.69 and 1,014.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,211.17 : 1,671.69 = 1,014.34 : x
2. Step 2: Convert to fraction form
   1,211.17/1,671.69 = 1,014.34/x
3. Step 3: Cross multiply
   1,211.17x = 1,671.69 × 1,014.34
4. Step 4: Simplify right side
   1,211.17x = 1,695,662.03
5. Step 5: Solve for x
   x = 1,695,662.03/1,211.17
6. Step 6: Final answer
   x = 1,400.02