Finding the Fourth Proportional to 3,436.30, 5,154.72 and 971.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,436.30 : 5,154.72 = 971.08 : x
2. Step 2: Convert to fraction form
   3,436.30/5,154.72 = 971.08/x
3. Step 3: Cross multiply
   3,436.30x = 5,154.72 × 971.08
4. Step 4: Simplify right side
   3,436.30x = 5,005,645.50
5. Step 5: Solve for x
   x = 5,005,645.50/3,436.30
6. Step 6: Final answer
   x = 1,456.70