Finding the Fourth Proportional to 42,145.48, 63,208.50 and 15,852.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,145.48 : 63,208.50 = 15,852.88 : x
2. Step 2: Convert to fraction form
   42,145.48/63,208.50 = 15,852.88/x
3. Step 3: Cross multiply
   42,145.48x = 63,208.50 × 15,852.88
4. Step 4: Simplify right side
   42,145.48x = 1,002,036,765.48
5. Step 5: Solve for x
   x = 1,002,036,765.48/42,145.48
6. Step 6: Final answer
   x = 23,775.66