Finding the Fourth Proportional to 65,144.08, 89,889.20 and 36,849.12

Step by Step Solution

1. Step 1: Write the proportion equation
   65,144.08 : 89,889.20 = 36,849.12 : x
2. Step 2: Convert to fraction form
   65,144.08/89,889.20 = 36,849.12/x
3. Step 3: Cross multiply
   65,144.08x = 89,889.20 × 36,849.12
4. Step 4: Simplify right side
   65,144.08x = 3,312,337,917.50
5. Step 5: Solve for x
   x = 3,312,337,917.50/65,144.08
6. Step 6: Final answer
   x = 50,846.34