Finding the Fourth Proportional to 64,566.20, 89,100.72 and 35,885.92

Step by Step Solution

1. Step 1: Write the proportion equation
   64,566.20 : 89,100.72 = 35,885.92 : x
2. Step 2: Convert to fraction form
   64,566.20/89,100.72 = 35,885.92/x
3. Step 3: Cross multiply
   64,566.20x = 89,100.72 × 35,885.92
4. Step 4: Simplify right side
   64,566.20x = 3,197,461,309.86
5. Step 5: Solve for x
   x = 3,197,461,309.86/64,566.20
6. Step 6: Final answer
   x = 49,522.22