Finding the Fourth Proportional to 42,168.48, 63,245.40 and 15,873.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,168.48 : 63,245.40 = 15,873.42 : x
2. Step 2: Convert to fraction form
   42,168.48/63,245.40 = 15,873.42/x
3. Step 3: Cross multiply
   42,168.48x = 63,245.40 × 15,873.42
4. Step 4: Simplify right side
   42,168.48x = 1,003,920,797.27
5. Step 5: Solve for x
   x = 1,003,920,797.27/42,168.48
6. Step 6: Final answer
   x = 23,807.37