Finding the Fourth Proportional to 3,494.96, 5,218.18 and 3,145.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,494.96 : 5,218.18 = 3,145.04 : x
2. Step 2: Convert to fraction form
   3,494.96/5,218.18 = 3,145.04/x
3. Step 3: Cross multiply
   3,494.96x = 5,218.18 × 3,145.04
4. Step 4: Simplify right side
   3,494.96x = 16,411,384.83
5. Step 5: Solve for x
   x = 16,411,384.83/3,494.96
6. Step 6: Final answer
   x = 4,695.73