Finding the Fourth Proportional to 65,158.98, 89,919.90 and 38,302.62

Step by Step Solution

1. Step 1: Write the proportion equation
   65,158.98 : 89,919.90 = 38,302.62 : x
2. Step 2: Convert to fraction form
   65,158.98/89,919.90 = 38,302.62/x
3. Step 3: Cross multiply
   65,158.98x = 89,919.90 × 38,302.62
4. Step 4: Simplify right side
   65,158.98x = 3,444,167,760.14
5. Step 5: Solve for x
   x = 3,444,167,760.14/65,158.98
6. Step 6: Final answer
   x = 52,857.91