Finding the Fourth Proportional to 64,820.27, 89,448.76 and 36,527.78

Step by Step Solution

1. Step 1: Write the proportion equation
   64,820.27 : 89,448.76 = 36,527.78 : x
2. Step 2: Convert to fraction form
   64,820.27/89,448.76 = 36,527.78/x
3. Step 3: Cross multiply
   64,820.27x = 89,448.76 × 36,527.78
4. Step 4: Simplify right side
   64,820.27x = 3,267,364,626.55
5. Step 5: Solve for x
   x = 3,267,364,626.55/64,820.27
6. Step 6: Final answer
   x = 50,406.53