Finding the Fourth Proportional to 65,058.12, 89,770.71 and 38,209.28

Step by Step Solution

1. Step 1: Write the proportion equation
   65,058.12 : 89,770.71 = 38,209.28 : x
2. Step 2: Convert to fraction form
   65,058.12/89,770.71 = 38,209.28/x
3. Step 3: Cross multiply
   65,058.12x = 89,770.71 × 38,209.28
4. Step 4: Simplify right side
   65,058.12x = 3,430,074,439.22
5. Step 5: Solve for x
   x = 3,430,074,439.22/65,058.12
6. Step 6: Final answer
   x = 52,723.23