Finding the Fourth Proportional to 65,167.28, 89,910.24 and 38,301.20

Step by Step Solution

1. Step 1: Write the proportion equation
   65,167.28 : 89,910.24 = 38,301.20 : x
2. Step 2: Convert to fraction form
   65,167.28/89,910.24 = 38,301.20/x
3. Step 3: Cross multiply
   65,167.28x = 89,910.24 × 38,301.20
4. Step 4: Simplify right side
   65,167.28x = 3,443,670,084.29
5. Step 5: Solve for x
   x = 3,443,670,084.29/65,167.28
6. Step 6: Final answer
   x = 52,843.54