Finding the Fourth Proportional to 42,568.61, 63,867.49 and 16,280.87

Step by Step Solution

1. Step 1: Write the proportion equation
   42,568.61 : 63,867.49 = 16,280.87 : x
2. Step 2: Convert to fraction form
   42,568.61/63,867.49 = 16,280.87/x
3. Step 3: Cross multiply
   42,568.61x = 63,867.49 × 16,280.87
4. Step 4: Simplify right side
   42,568.61x = 1,039,817,941.88
5. Step 5: Solve for x
   x = 1,039,817,941.88/42,568.61
6. Step 6: Final answer
   x = 24,426.87