Finding the Fourth Proportional to 42,162.25, 63,237 and 15,860.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,162.25 : 63,237 = 15,860.88 : x
2. Step 2: Convert to fraction form
   42,162.25/63,237 = 15,860.88/x
3. Step 3: Cross multiply
   42,162.25x = 63,237 × 15,860.88
4. Step 4: Simplify right side
   42,162.25x = 1,002,994,468.56
5. Step 5: Solve for x
   x = 1,002,994,468.56/42,162.25
6. Step 6: Final answer
   x = 23,788.92