Finding the Fourth Proportional to 44,641.96, 67,067.50 and 42,120.12

Step by Step Solution

1. Step 1: Write the proportion equation
   44,641.96 : 67,067.50 = 42,120.12 : x
2. Step 2: Convert to fraction form
   44,641.96/67,067.50 = 42,120.12/x
3. Step 3: Cross multiply
   44,641.96x = 67,067.50 × 42,120.12
4. Step 4: Simplify right side
   44,641.96x = 2,824,891,148.10
5. Step 5: Solve for x
   x = 2,824,891,148.10/44,641.96
6. Step 6: Final answer
   x = 63,278.83