Finding the Fourth Proportional to 64,522.42, 89,073.32 and 40,336.82

Step by Step Solution

1. Step 1: Write the proportion equation
   64,522.42 : 89,073.32 = 40,336.82 : x
2. Step 2: Convert to fraction form
   64,522.42/89,073.32 = 40,336.82/x
3. Step 3: Cross multiply
   64,522.42x = 89,073.32 × 40,336.82
4. Step 4: Simplify right side
   64,522.42x = 3,592,934,765.29
5. Step 5: Solve for x
   x = 3,592,934,765.29/64,522.42
6. Step 6: Final answer
   x = 55,685.06