Finding the Fourth Proportional to 31,606.61, 47,446.56 and 18,468.41

Step by Step Solution

1. Step 1: Write the proportion equation
   31,606.61 : 47,446.56 = 18,468.41 : x
2. Step 2: Convert to fraction form
   31,606.61/47,446.56 = 18,468.41/x
3. Step 3: Cross multiply
   31,606.61x = 47,446.56 × 18,468.41
4. Step 4: Simplify right side
   31,606.61x = 876,262,285.94
5. Step 5: Solve for x
   x = 876,262,285.94/31,606.61
6. Step 6: Final answer
   x = 27,724.02