Finding the Fourth Proportional to 42,793.28, 64,200.88 and 17,825

Step by Step Solution

1. Step 1: Write the proportion equation
   42,793.28 : 64,200.88 = 17,825 : x
2. Step 2: Convert to fraction form
   42,793.28/64,200.88 = 17,825/x
3. Step 3: Cross multiply
   42,793.28x = 64,200.88 × 17,825
4. Step 4: Simplify right side
   42,793.28x = 1,144,380,686
5. Step 5: Solve for x
   x = 1,144,380,686/42,793.28
6. Step 6: Final answer
   x = 26,742.07