Finding the Fourth Proportional to 42,449, 63,225.09 and 40,228.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,449 : 63,225.09 = 40,228.52 : x
2. Step 2: Convert to fraction form
   42,449/63,225.09 = 40,228.52/x
3. Step 3: Cross multiply
   42,449x = 63,225.09 × 40,228.52
4. Step 4: Simplify right side
   42,449x = 2,543,451,797.57
5. Step 5: Solve for x
   x = 2,543,451,797.57/42,449
6. Step 6: Final answer
   x = 59,917.83