Finding the Fourth Proportional to 84,196.35, 126,185.17 and 34,218.29

Step by Step Solution

1. Step 1: Write the proportion equation
   84,196.35 : 126,185.17 = 34,218.29 : x
2. Step 2: Convert to fraction form
   84,196.35/126,185.17 = 34,218.29/x
3. Step 3: Cross multiply
   84,196.35x = 126,185.17 × 34,218.29
4. Step 4: Simplify right side
   84,196.35x = 4,317,839,938.74
5. Step 5: Solve for x
   x = 4,317,839,938.74/84,196.35
6. Step 6: Final answer
   x = 51,282.99