Finding the Fourth Proportional to 224,212.82, 309,238.73 and 143,647.89

Step by Step Solution

1. Step 1: Write the proportion equation
   224,212.82 : 309,238.73 = 143,647.89 : x
2. Step 2: Convert to fraction form
   224,212.82/309,238.73 = 143,647.89/x
3. Step 3: Cross multiply
   224,212.82x = 309,238.73 × 143,647.89
4. Step 4: Simplify right side
   224,212.82x = 44,421,488,806.35
5. Step 5: Solve for x
   x = 44,421,488,806.35/224,212.82
6. Step 6: Final answer
   x = 198,121.99