Finding the Fourth Proportional to 64,857.38, 89,503.18 and 35,049.38

Step by Step Solution

1. Step 1: Write the proportion equation
   64,857.38 : 89,503.18 = 35,049.38 : x
2. Step 2: Convert to fraction form
   64,857.38/89,503.18 = 35,049.38/x
3. Step 3: Cross multiply
   64,857.38x = 89,503.18 × 35,049.38
4. Step 4: Simplify right side
   64,857.38x = 3,137,030,431.89
5. Step 5: Solve for x
   x = 3,137,030,431.89/64,857.38
6. Step 6: Final answer
   x = 48,368.14