Finding the Fourth Proportional to 212,647.34, 293,111.27 and 143,715.24

Step by Step Solution

1. Step 1: Write the proportion equation
   212,647.34 : 293,111.27 = 143,715.24 : x
2. Step 2: Convert to fraction form
   212,647.34/293,111.27 = 143,715.24/x
3. Step 3: Cross multiply
   212,647.34x = 293,111.27 × 143,715.24
4. Step 4: Simplify right side
   212,647.34x = 42,124,556,514.75
5. Step 5: Solve for x
   x = 42,124,556,514.75/212,647.34
6. Step 6: Final answer
   x = 198,095.85