Finding the Fourth Proportional to 64,672.15, 89,248.31 and 36,377.59

Step by Step Solution

1. Step 1: Write the proportion equation
   64,672.15 : 89,248.31 = 36,377.59 : x
2. Step 2: Convert to fraction form
   64,672.15/89,248.31 = 36,377.59/x
3. Step 3: Cross multiply
   64,672.15x = 89,248.31 × 36,377.59
4. Step 4: Simplify right side
   64,672.15x = 3,246,638,429.37
5. Step 5: Solve for x
   x = 3,246,638,429.37/64,672.15
6. Step 6: Final answer
   x = 50,201.49