Finding the Fourth Proportional to 2,167.34, 3,251.88 and 1,071.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167.34 : 3,251.88 = 1,071.68 : x
2. Step 2: Convert to fraction form
   2,167.34/3,251.88 = 1,071.68/x
3. Step 3: Cross multiply
   2,167.34x = 3,251.88 × 1,071.68
4. Step 4: Simplify right side
   2,167.34x = 3,484,974.76
5. Step 5: Solve for x
   x = 3,484,974.76/2,167.34
6. Step 6: Final answer
   x = 1,607.95