Finding the Fourth Proportional to 65,211.98, 89,992.92 and 38,355.62

Step by Step Solution

1. Step 1: Write the proportion equation
   65,211.98 : 89,992.92 = 38,355.62 : x
2. Step 2: Convert to fraction form
   65,211.98/89,992.92 = 38,355.62/x
3. Step 3: Cross multiply
   65,211.98x = 89,992.92 × 38,355.62
4. Step 4: Simplify right side
   65,211.98x = 3,451,734,242.21
5. Step 5: Solve for x
   x = 3,451,734,242.21/65,211.98
6. Step 6: Final answer
   x = 52,930.98