Finding the Fourth Proportional to 53,293.27, 79,940.15 and 13,847.59

Step by Step Solution

1. Step 1: Write the proportion equation
   53,293.27 : 79,940.15 = 13,847.59 : x
2. Step 2: Convert to fraction form
   53,293.27/79,940.15 = 13,847.59/x
3. Step 3: Cross multiply
   53,293.27x = 79,940.15 × 13,847.59
4. Step 4: Simplify right side
   53,293.27x = 1,106,978,421.74
5. Step 5: Solve for x
   x = 1,106,978,421.74/53,293.27
6. Step 6: Final answer
   x = 20,771.45