Finding the Fourth Proportional to 70,053.73, 105,049.59 and 20,122.24

Step by Step Solution

1. Step 1: Write the proportion equation
   70,053.73 : 105,049.59 = 20,122.24 : x
2. Step 2: Convert to fraction form
   70,053.73/105,049.59 = 20,122.24/x
3. Step 3: Cross multiply
   70,053.73x = 105,049.59 × 20,122.24
4. Step 4: Simplify right side
   70,053.73x = 2,113,833,061.88
5. Step 5: Solve for x
   x = 2,113,833,061.88/70,053.73
6. Step 6: Final answer
   x = 30,174.45