Finding the Fourth Proportional to 1,967.34, 2,715.06 and 1,181.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,967.34 : 2,715.06 = 1,181.40 : x
2. Step 2: Convert to fraction form
   1,967.34/2,715.06 = 1,181.40/x
3. Step 3: Cross multiply
   1,967.34x = 2,715.06 × 1,181.40
4. Step 4: Simplify right side
   1,967.34x = 3,207,571.88
5. Step 5: Solve for x
   x = 3,207,571.88/1,967.34
6. Step 6: Final answer
   x = 1,630.41