Finding the Fourth Proportional to 30,761.88, 42,451.40 and 16,614.72

Step by Step Solution

1. Step 1: Write the proportion equation
   30,761.88 : 42,451.40 = 16,614.72 : x
2. Step 2: Convert to fraction form
   30,761.88/42,451.40 = 16,614.72/x
3. Step 3: Cross multiply
   30,761.88x = 42,451.40 × 16,614.72
4. Step 4: Simplify right side
   30,761.88x = 705,318,041.53
5. Step 5: Solve for x
   x = 705,318,041.53/30,761.88
6. Step 6: Final answer
   x = 22,928.31