Finding the Fourth Proportional to 72,865.78, 109,224.82 and 35,394.27

Step by Step Solution

1. Step 1: Write the proportion equation
   72,865.78 : 109,224.82 = 35,394.27 : x
2. Step 2: Convert to fraction form
   72,865.78/109,224.82 = 35,394.27/x
3. Step 3: Cross multiply
   72,865.78x = 109,224.82 × 35,394.27
4. Step 4: Simplify right side
   72,865.78x = 3,865,932,404.43
5. Step 5: Solve for x
   x = 3,865,932,404.43/72,865.78
6. Step 6: Final answer
   x = 53,055.53