Finding the Fourth Proportional to 30,469.87, 42,059.73 and 22,938.05

Step by Step Solution

1. Step 1: Write the proportion equation
   30,469.87 : 42,059.73 = 22,938.05 : x
2. Step 2: Convert to fraction form
   30,469.87/42,059.73 = 22,938.05/x
3. Step 3: Cross multiply
   30,469.87x = 42,059.73 × 22,938.05
4. Step 4: Simplify right side
   30,469.87x = 964,768,259.02
5. Step 5: Solve for x
   x = 964,768,259.02/30,469.87
6. Step 6: Final answer
   x = 31,663.02