Finding the Fourth Proportional to 64,523.42, 89,074.70 and 40,337.82

Step by Step Solution

1. Step 1: Write the proportion equation
   64,523.42 : 89,074.70 = 40,337.82 : x
2. Step 2: Convert to fraction form
   64,523.42/89,074.70 = 40,337.82/x
3. Step 3: Cross multiply
   64,523.42x = 89,074.70 × 40,337.82
4. Step 4: Simplify right side
   64,523.42x = 3,593,079,215.15
5. Step 5: Solve for x
   x = 3,593,079,215.15/64,523.42
6. Step 6: Final answer
   x = 55,686.43