Finding the Fourth Proportional to 64,710.56, 89,290.32 and 36,410.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,710.56 : 89,290.32 = 36,410.72 : x
2. Step 2: Convert to fraction form
   64,710.56/89,290.32 = 36,410.72/x
3. Step 3: Cross multiply
   64,710.56x = 89,290.32 × 36,410.72
4. Step 4: Simplify right side
   64,710.56x = 3,251,124,840.23
5. Step 5: Solve for x
   x = 3,251,124,840.23/64,710.56
6. Step 6: Final answer
   x = 50,241.02