Finding the Fourth Proportional to 64,508.30, 89,005.88 and 37,635.47

Step by Step Solution

1. Step 1: Write the proportion equation
   64,508.30 : 89,005.88 = 37,635.47 : x
2. Step 2: Convert to fraction form
   64,508.30/89,005.88 = 37,635.47/x
3. Step 3: Cross multiply
   64,508.30x = 89,005.88 × 37,635.47
4. Step 4: Simplify right side
   64,508.30x = 3,349,777,938.39
5. Step 5: Solve for x
   x = 3,349,777,938.39/64,508.30
6. Step 6: Final answer
   x = 51,927.86