Finding the Fourth Proportional to 3,436.83, 5,155.16 and 971.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,436.83 : 5,155.16 = 971.60 : x
2. Step 2: Convert to fraction form
   3,436.83/5,155.16 = 971.60/x
3. Step 3: Cross multiply
   3,436.83x = 5,155.16 × 971.60
4. Step 4: Simplify right side
   3,436.83x = 5,008,722.82
5. Step 5: Solve for x
   x = 5,008,722.82/3,436.83
6. Step 6: Final answer
   x = 1,457.37