Finding the Fourth Proportional to 30,757.61, 42,445.50 and 16,610.46

Step by Step Solution

1. Step 1: Write the proportion equation
   30,757.61 : 42,445.50 = 16,610.46 : x
2. Step 2: Convert to fraction form
   30,757.61/42,445.50 = 16,610.46/x
3. Step 3: Cross multiply
   30,757.61x = 42,445.50 × 16,610.46
4. Step 4: Simplify right side
   30,757.61x = 705,039,279.93
5. Step 5: Solve for x
   x = 705,039,279.93/30,757.61
6. Step 6: Final answer
   x = 22,922.44