Finding the Fourth Proportional to 42,050.52, 63,087.66 and 12,468.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,050.52 : 63,087.66 = 12,468.28 : x
2. Step 2: Convert to fraction form
   42,050.52/63,087.66 = 12,468.28/x
3. Step 3: Cross multiply
   42,050.52x = 63,087.66 × 12,468.28
4. Step 4: Simplify right side
   42,050.52x = 786,594,609.42
5. Step 5: Solve for x
   x = 786,594,609.42/42,050.52
6. Step 6: Final answer
   x = 18,705.94