Finding the Fourth Proportional to 30,517.73, 42,118.73 and 22,047.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,517.73 : 42,118.73 = 22,047.25 : x
2. Step 2: Convert to fraction form
   30,517.73/42,118.73 = 22,047.25/x
3. Step 3: Cross multiply
   30,517.73x = 42,118.73 × 22,047.25
4. Step 4: Simplify right side
   30,517.73x = 928,602,247.73
5. Step 5: Solve for x
   x = 928,602,247.73/30,517.73
6. Step 6: Final answer
   x = 30,428.29