Finding the Fourth Proportional to 147,916.36, 204,142.56 and 83,398.03

Step by Step Solution

1. Step 1: Write the proportion equation
   147,916.36 : 204,142.56 = 83,398.03 : x
2. Step 2: Convert to fraction form
   147,916.36/204,142.56 = 83,398.03/x
3. Step 3: Cross multiply
   147,916.36x = 204,142.56 × 83,398.03
4. Step 4: Simplify right side
   147,916.36x = 17,025,086,520.06
5. Step 5: Solve for x
   x = 17,025,086,520.06/147,916.36
6. Step 6: Final answer
   x = 115,099.41