Finding the Fourth Proportional to 3,436.29, 5,156.52 and 1,957.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,436.29 : 5,156.52 = 1,957.62 : x
2. Step 2: Convert to fraction form
   3,436.29/5,156.52 = 1,957.62/x
3. Step 3: Cross multiply
   3,436.29x = 5,156.52 × 1,957.62
4. Step 4: Simplify right side
   3,436.29x = 10,094,506.68
5. Step 5: Solve for x
   x = 10,094,506.68/3,436.29
6. Step 6: Final answer
   x = 2,937.62