Finding the Fourth Proportional to 64,968.38, 89,656.37 and 35,160.38

Step by Step Solution

1. Step 1: Write the proportion equation
   64,968.38 : 89,656.37 = 35,160.38 : x
2. Step 2: Convert to fraction form
   64,968.38/89,656.37 = 35,160.38/x
3. Step 3: Cross multiply
   64,968.38x = 89,656.37 × 35,160.38
4. Step 4: Simplify right side
   64,968.38x = 3,152,351,414.54
5. Step 5: Solve for x
   x = 3,152,351,414.54/64,968.38
6. Step 6: Final answer
   x = 48,521.32