Finding the Fourth Proportional to 65,070.24, 89,796.31 and 36,389.59

Step by Step Solution

1. Step 1: Write the proportion equation
   65,070.24 : 89,796.31 = 36,389.59 : x
2. Step 2: Convert to fraction form
   65,070.24/89,796.31 = 36,389.59/x
3. Step 3: Cross multiply
   65,070.24x = 89,796.31 × 36,389.59
4. Step 4: Simplify right side
   65,070.24x = 3,267,650,793.64
5. Step 5: Solve for x
   x = 3,267,650,793.64/65,070.24
6. Step 6: Final answer
   x = 50,217.28