Finding the Fourth Proportional to 47,103.69, 70,663.23 and 13,824.84

Step by Step Solution

1. Step 1: Write the proportion equation
   47,103.69 : 70,663.23 = 13,824.84 : x
2. Step 2: Convert to fraction form
   47,103.69/70,663.23 = 13,824.84/x
3. Step 3: Cross multiply
   47,103.69x = 70,663.23 × 13,824.84
4. Step 4: Simplify right side
   47,103.69x = 976,907,848.63
5. Step 5: Solve for x
   x = 976,907,848.63/47,103.69
6. Step 6: Final answer
   x = 20,739.52