Finding the Fourth Proportional to 104,828.38, 157,111.30 and 82,553.79

Step by Step Solution

1. Step 1: Write the proportion equation
   104,828.38 : 157,111.30 = 82,553.79 : x
2. Step 2: Convert to fraction form
   104,828.38/157,111.30 = 82,553.79/x
3. Step 3: Cross multiply
   104,828.38x = 157,111.30 × 82,553.79
4. Step 4: Simplify right side
   104,828.38x = 12,970,132,274.89
5. Step 5: Solve for x
   x = 12,970,132,274.89/104,828.38
6. Step 6: Final answer
   x = 123,727.30