Finding the Fourth Proportional to 374,162.86, 516,345.22 and 213,017.91

Step by Step Solution

1. Step 1: Write the proportion equation
   374,162.86 : 516,345.22 = 213,017.91 : x
2. Step 2: Convert to fraction form
   374,162.86/516,345.22 = 213,017.91/x
3. Step 3: Cross multiply
   374,162.86x = 516,345.22 × 213,017.91
4. Step 4: Simplify right side
   374,162.86x = 109,990,777,779.48
5. Step 5: Solve for x
   x = 109,990,777,779.48/374,162.86
6. Step 6: Final answer
   x = 293,964.98