Finding the Fourth Proportional to 42,145.45, 63,227.59 and 15,850.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,145.45 : 63,227.59 = 15,850.42 : x
2. Step 2: Convert to fraction form
   42,145.45/63,227.59 = 15,850.42/x
3. Step 3: Cross multiply
   42,145.45x = 63,227.59 × 15,850.42
4. Step 4: Simplify right side
   42,145.45x = 1,002,183,659.39
5. Step 5: Solve for x
   x = 1,002,183,659.39/42,145.45
6. Step 6: Final answer
   x = 23,779.17