Finding the Fourth Proportional to 64,901.83, 89,568.71 and 36,606.91

Step by Step Solution

1. Step 1: Write the proportion equation
   64,901.83 : 89,568.71 = 36,606.91 : x
2. Step 2: Convert to fraction form
   64,901.83/89,568.71 = 36,606.91/x
3. Step 3: Cross multiply
   64,901.83x = 89,568.71 × 36,606.91
4. Step 4: Simplify right side
   64,901.83x = 3,278,833,522.75
5. Step 5: Solve for x
   x = 3,278,833,522.75/64,901.83
6. Step 6: Final answer
   x = 50,519.89