Finding the Fourth Proportional to 64,527.42, 89,076.06 and 37,659.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,527.42 : 89,076.06 = 37,659.72 : x
2. Step 2: Convert to fraction form
   64,527.42/89,076.06 = 37,659.72/x
3. Step 3: Cross multiply
   64,527.42x = 89,076.06 × 37,659.72
4. Step 4: Simplify right side
   64,527.42x = 3,354,579,478.30
5. Step 5: Solve for x
   x = 3,354,579,478.30/64,527.42
6. Step 6: Final answer
   x = 51,986.88