Finding the Fourth Proportional to 147,892.89, 204,128.46 and 84,268.20

Step by Step Solution

1. Step 1: Write the proportion equation
   147,892.89 : 204,128.46 = 84,268.20 : x
2. Step 2: Convert to fraction form
   147,892.89/204,128.46 = 84,268.20/x
3. Step 3: Cross multiply
   147,892.89x = 204,128.46 × 84,268.20
4. Step 4: Simplify right side
   147,892.89x = 17,201,537,892.97
5. Step 5: Solve for x
   x = 17,201,537,892.97/147,892.89
6. Step 6: Final answer
   x = 116,310.78