Finding the Fourth Proportional to 375,085.62, 517,605.39 and 213,992.82

Step by Step Solution

1. Step 1: Write the proportion equation
   375,085.62 : 517,605.39 = 213,992.82 : x
2. Step 2: Convert to fraction form
   375,085.62/517,605.39 = 213,992.82/x
3. Step 3: Cross multiply
   375,085.62x = 517,605.39 × 213,992.82
4. Step 4: Simplify right side
   375,085.62x = 110,763,837,053.30
5. Step 5: Solve for x
   x = 110,763,837,053.30/375,085.62
6. Step 6: Final answer
   x = 295,302.81