Finding the Fourth Proportional to 374,205.88, 516,404.62 and 213,061

Step by Step Solution

1. Step 1: Write the proportion equation
   374,205.88 : 516,404.62 = 213,061 : x
2. Step 2: Convert to fraction form
   374,205.88/516,404.62 = 213,061/x
3. Step 3: Cross multiply
   374,205.88x = 516,404.62 × 213,061
4. Step 4: Simplify right side
   374,205.88x = 110,025,684,741.82
5. Step 5: Solve for x
   x = 110,025,684,741.82/374,205.88
6. Step 6: Final answer
   x = 294,024.47