Finding the Fourth Proportional to 44,713.72, 67,018.74 and 42,121.72

Step by Step Solution

1. Step 1: Write the proportion equation
   44,713.72 : 67,018.74 = 42,121.72 : x
2. Step 2: Convert to fraction form
   44,713.72/67,018.74 = 42,121.72/x
3. Step 3: Cross multiply
   44,713.72x = 67,018.74 × 42,121.72
4. Step 4: Simplify right side
   44,713.72x = 2,822,944,601.03
5. Step 5: Solve for x
   x = 2,822,944,601.03/44,713.72
6. Step 6: Final answer
   x = 63,133.75