Finding the Fourth Proportional to 142,849.24, 214,288.13 and 52,916.15

Step by Step Solution

1. Step 1: Write the proportion equation
   142,849.24 : 214,288.13 = 52,916.15 : x
2. Step 2: Convert to fraction form
   142,849.24/214,288.13 = 52,916.15/x
3. Step 3: Cross multiply
   142,849.24x = 214,288.13 × 52,916.15
4. Step 4: Simplify right side
   142,849.24x = 11,339,303,498.31
5. Step 5: Solve for x
   x = 11,339,303,498.31/142,849.24
6. Step 6: Final answer
   x = 79,379.52