Finding the Fourth Proportional to 374,162.87, 516,345.25 and 213,017.91

Step by Step Solution

1. Step 1: Write the proportion equation
   374,162.87 : 516,345.25 = 213,017.91 : x
2. Step 2: Convert to fraction form
   374,162.87/516,345.25 = 213,017.91/x
3. Step 3: Cross multiply
   374,162.87x = 516,345.25 × 213,017.91
4. Step 4: Simplify right side
   374,162.87x = 109,990,786,429.03
5. Step 5: Solve for x
   x = 109,990,786,429.03/374,162.87
6. Step 6: Final answer
   x = 293,964.99