Finding the Fourth Proportional to 3,436.65, 5,155.83 and 971.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,436.65 : 5,155.83 = 971.46 : x
2. Step 2: Convert to fraction form
   3,436.65/5,155.83 = 971.46/x
3. Step 3: Cross multiply
   3,436.65x = 5,155.83 × 971.46
4. Step 4: Simplify right side
   3,436.65x = 5,008,682.61
5. Step 5: Solve for x
   x = 5,008,682.61/3,436.65
6. Step 6: Final answer
   x = 1,457.43