Finding the Fourth Proportional to 64,611, 89,168.88 and 36,316.92

Step by Step Solution

1. Step 1: Write the proportion equation
   64,611 : 89,168.88 = 36,316.92 : x
2. Step 2: Convert to fraction form
   64,611/89,168.88 = 36,316.92/x
3. Step 3: Cross multiply
   64,611x = 89,168.88 × 36,316.92
4. Step 4: Simplify right side
   64,611x = 3,238,339,081.45
5. Step 5: Solve for x
   x = 3,238,339,081.45/64,611
6. Step 6: Final answer
   x = 50,120.55