Finding the Fourth Proportional to 42,145.39, 63,227.32 and 15,850.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,145.39 : 63,227.32 = 15,850.12 : x
2. Step 2: Convert to fraction form
   42,145.39/63,227.32 = 15,850.12/x
3. Step 3: Cross multiply
   42,145.39x = 63,227.32 × 15,850.12
4. Step 4: Simplify right side
   42,145.39x = 1,002,160,530.03
5. Step 5: Solve for x
   x = 1,002,160,530.03/42,145.39
6. Step 6: Final answer
   x = 23,778.65