Finding the Fourth Proportional to 64,536.48, 89,065.15 and 35,862.89

Step by Step Solution

1. Step 1: Write the proportion equation
   64,536.48 : 89,065.15 = 35,862.89 : x
2. Step 2: Convert to fraction form
   64,536.48/89,065.15 = 35,862.89/x
3. Step 3: Cross multiply
   64,536.48x = 89,065.15 × 35,862.89
4. Step 4: Simplify right side
   64,536.48x = 3,194,133,142.30
5. Step 5: Solve for x
   x = 3,194,133,142.30/64,536.48
6. Step 6: Final answer
   x = 49,493.45