Finding the Fourth Proportional to 64,536.84, 89,061.39 and 36,245.16

Step by Step Solution

1. Step 1: Write the proportion equation
   64,536.84 : 89,061.39 = 36,245.16 : x
2. Step 2: Convert to fraction form
   64,536.84/89,061.39 = 36,245.16/x
3. Step 3: Cross multiply
   64,536.84x = 89,061.39 × 36,245.16
4. Step 4: Simplify right side
   64,536.84x = 3,228,044,330.37
5. Step 5: Solve for x
   x = 3,228,044,330.37/64,536.84
6. Step 6: Final answer
   x = 50,018.63