Finding the Fourth Proportional to 30,887.83, 42,624.05 and 16,740.37

Step by Step Solution

1. Step 1: Write the proportion equation
   30,887.83 : 42,624.05 = 16,740.37 : x
2. Step 2: Convert to fraction form
   30,887.83/42,624.05 = 16,740.37/x
3. Step 3: Cross multiply
   30,887.83x = 42,624.05 × 16,740.37
4. Step 4: Simplify right side
   30,887.83x = 713,542,367.90
5. Step 5: Solve for x
   x = 713,542,367.90/30,887.83
6. Step 6: Final answer
   x = 23,101.08