Finding the Fourth Proportional to 64,516.44, 89,060.88 and 37,648.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,516.44 : 89,060.88 = 37,648.72 : x
2. Step 2: Convert to fraction form
   64,516.44/89,060.88 = 37,648.72/x
3. Step 3: Cross multiply
   64,516.44x = 89,060.88 × 37,648.72
4. Step 4: Simplify right side
   64,516.44x = 3,353,028,134.07
5. Step 5: Solve for x
   x = 3,353,028,134.07/64,516.44
6. Step 6: Final answer
   x = 51,971.69