Finding the Fourth Proportional to 47,100.69, 70,658.73 and 13,821.84

Step by Step Solution

1. Step 1: Write the proportion equation
   47,100.69 : 70,658.73 = 13,821.84 : x
2. Step 2: Convert to fraction form
   47,100.69/70,658.73 = 13,821.84/x
3. Step 3: Cross multiply
   47,100.69x = 70,658.73 × 13,821.84
4. Step 4: Simplify right side
   47,100.69x = 976,633,660.66
5. Step 5: Solve for x
   x = 976,633,660.66/47,100.69
6. Step 6: Final answer
   x = 20,735.02