Finding the Fourth Proportional to 71,636.34, 98,856.18 and 39,804.42

Step by Step Solution

1. Step 1: Write the proportion equation
   71,636.34 : 98,856.18 = 39,804.42 : x
2. Step 2: Convert to fraction form
   71,636.34/98,856.18 = 39,804.42/x
3. Step 3: Cross multiply
   71,636.34x = 98,856.18 × 39,804.42
4. Step 4: Simplify right side
   71,636.34x = 3,934,912,908.32
5. Step 5: Solve for x
   x = 3,934,912,908.32/71,636.34
6. Step 6: Final answer
   x = 54,929.01