Finding the Fourth Proportional to 73,085.34, 100,857.87 and 39,551.34

Step by Step Solution

1. Step 1: Write the proportion equation
   73,085.34 : 100,857.87 = 39,551.34 : x
2. Step 2: Convert to fraction form
   73,085.34/100,857.87 = 39,551.34/x
3. Step 3: Cross multiply
   73,085.34x = 100,857.87 × 39,551.34
4. Step 4: Simplify right side
   73,085.34x = 3,989,063,908.05
5. Step 5: Solve for x
   x = 3,989,063,908.05/73,085.34
6. Step 6: Final answer
   x = 54,580.90