Finding the Fourth Proportional to 64,755.72, 89,364.06 and 36,462.42

Step by Step Solution

1. Step 1: Write the proportion equation
   64,755.72 : 89,364.06 = 36,462.42 : x
2. Step 2: Convert to fraction form
   64,755.72/89,364.06 = 36,462.42/x
3. Step 3: Cross multiply
   64,755.72x = 89,364.06 × 36,462.42
4. Step 4: Simplify right side
   64,755.72x = 3,258,429,888.63
5. Step 5: Solve for x
   x = 3,258,429,888.63/64,755.72
6. Step 6: Final answer
   x = 50,318.80