Finding the Fourth Proportional to 42,846.16, 64,157.46 and 34,480.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,846.16 : 64,157.46 = 34,480.48 : x
2. Step 2: Convert to fraction form
   42,846.16/64,157.46 = 34,480.48/x
3. Step 3: Cross multiply
   42,846.16x = 64,157.46 × 34,480.48
4. Step 4: Simplify right side
   42,846.16x = 2,212,180,016.38
5. Step 5: Solve for x
   x = 2,212,180,016.38/42,846.16
6. Step 6: Final answer
   x = 51,630.76