Finding the Fourth Proportional to 65,105.78, 89,838.16 and 36,426.99

Step by Step Solution

1. Step 1: Write the proportion equation
   65,105.78 : 89,838.16 = 36,426.99 : x
2. Step 2: Convert to fraction form
   65,105.78/89,838.16 = 36,426.99/x
3. Step 3: Cross multiply
   65,105.78x = 89,838.16 × 36,426.99
4. Step 4: Simplify right side
   65,105.78x = 3,272,533,954.00
5. Step 5: Solve for x
   x = 3,272,533,954.00/65,105.78
6. Step 6: Final answer
   x = 50,264.88