Finding the Fourth Proportional to 363,013.99, 500,885.89 and 212,081.83

Step by Step Solution

1. Step 1: Write the proportion equation
   363,013.99 : 500,885.89 = 212,081.83 : x
2. Step 2: Convert to fraction form
   363,013.99/500,885.89 = 212,081.83/x
3. Step 3: Cross multiply
   363,013.99x = 500,885.89 × 212,081.83
4. Step 4: Simplify right side
   363,013.99x = 106,228,796,172.38
5. Step 5: Solve for x
   x = 106,228,796,172.38/363,013.99
6. Step 6: Final answer
   x = 292,630.03