Finding the Fourth Proportional to 64,818.27, 89,446.01 and 36,525.78

Step by Step Solution

1. Step 1: Write the proportion equation
   64,818.27 : 89,446.01 = 36,525.78 : x
2. Step 2: Convert to fraction form
   64,818.27/89,446.01 = 36,525.78/x
3. Step 3: Cross multiply
   64,818.27x = 89,446.01 × 36,525.78
4. Step 4: Simplify right side
   64,818.27x = 3,267,085,100.51
5. Step 5: Solve for x
   x = 3,267,085,100.51/64,818.27
6. Step 6: Final answer
   x = 50,403.77