Finding the Fourth Proportional to 65,077.56, 89,792.55 and 39,597.19

Step by Step Solution

1. Step 1: Write the proportion equation
   65,077.56 : 89,792.55 = 39,597.19 : x
2. Step 2: Convert to fraction form
   65,077.56/89,792.55 = 39,597.19/x
3. Step 3: Cross multiply
   65,077.56x = 89,792.55 × 39,597.19
4. Step 4: Simplify right side
   65,077.56x = 3,555,532,438.45
5. Step 5: Solve for x
   x = 3,555,532,438.45/65,077.56
6. Step 6: Final answer
   x = 54,635.31