Finding the Fourth Proportional to 30,757.37, 42,445.16 and 16,610.21

Step by Step Solution

1. Step 1: Write the proportion equation
   30,757.37 : 42,445.16 = 16,610.21 : x
2. Step 2: Convert to fraction form
   30,757.37/42,445.16 = 16,610.21/x
3. Step 3: Cross multiply
   30,757.37x = 42,445.16 × 16,610.21
4. Step 4: Simplify right side
   30,757.37x = 705,022,725.81
5. Step 5: Solve for x
   x = 705,022,725.81/30,757.37
6. Step 6: Final answer
   x = 22,922.08