Finding the Fourth Proportional to 42,327.94, 63,467.61 and 12,737.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42,327.94 : 63,467.61 = 12,737.02 : x
2. Step 2: Convert to fraction form
   42,327.94/63,467.61 = 12,737.02/x
3. Step 3: Cross multiply
   42,327.94x = 63,467.61 × 12,737.02
4. Step 4: Simplify right side
   42,327.94x = 808,388,217.92
5. Step 5: Solve for x
   x = 808,388,217.92/42,327.94
6. Step 6: Final answer
   x = 19,098.22