Finding the Fourth Proportional to 30,761.31, 42,450.63 and 16,614.15

Step by Step Solution

1. Step 1: Write the proportion equation
   30,761.31 : 42,450.63 = 16,614.15 : x
2. Step 2: Convert to fraction form
   30,761.31/42,450.63 = 16,614.15/x
3. Step 3: Cross multiply
   30,761.31x = 42,450.63 × 16,614.15
4. Step 4: Simplify right side
   30,761.31x = 705,281,134.41
5. Step 5: Solve for x
   x = 705,281,134.41/30,761.31
6. Step 6: Final answer
   x = 22,927.54