Finding the Fourth Proportional to 64,870.14, 89,520.81 and 36,575.83

Step by Step Solution

1. Step 1: Write the proportion equation
   64,870.14 : 89,520.81 = 36,575.83 : x
2. Step 2: Convert to fraction form
   64,870.14/89,520.81 = 36,575.83/x
3. Step 3: Cross multiply
   64,870.14x = 89,520.81 × 36,575.83
4. Step 4: Simplify right side
   64,870.14x = 3,274,297,928.02
5. Step 5: Solve for x
   x = 3,274,297,928.02/64,870.14
6. Step 6: Final answer
   x = 50,474.65