Finding the Fourth Proportional to 212,196.63, 318,249.98 and 62,396.31

Step by Step Solution

1. Step 1: Write the proportion equation
   212,196.63 : 318,249.98 = 62,396.31 : x
2. Step 2: Convert to fraction form
   212,196.63/318,249.98 = 62,396.31/x
3. Step 3: Cross multiply
   212,196.63x = 318,249.98 × 62,396.31
4. Step 4: Simplify right side
   212,196.63x = 19,857,624,097.59
5. Step 5: Solve for x
   x = 19,857,624,097.59/212,196.63
6. Step 6: Final answer
   x = 93,581.24