Finding the Fourth Proportional to 65,015.82, 89,706.60 and 38,156.94

Step by Step Solution

1. Step 1: Write the proportion equation
   65,015.82 : 89,706.60 = 38,156.94 : x
2. Step 2: Convert to fraction form
   65,015.82/89,706.60 = 38,156.94/x
3. Step 3: Cross multiply
   65,015.82x = 89,706.60 × 38,156.94
4. Step 4: Simplify right side
   65,015.82x = 3,422,929,353.80
5. Step 5: Solve for x
   x = 3,422,929,353.80/65,015.82
6. Step 6: Final answer
   x = 52,647.64