Finding the Fourth Proportional to 52,910.36, 79,729.61 and 43,756.23

Step by Step Solution

1. Step 1: Write the proportion equation
   52,910.36 : 79,729.61 = 43,756.23 : x
2. Step 2: Convert to fraction form
   52,910.36/79,729.61 = 43,756.23/x
3. Step 3: Cross multiply
   52,910.36x = 79,729.61 × 43,756.23
4. Step 4: Simplify right side
   52,910.36x = 3,488,667,072.69
5. Step 5: Solve for x
   x = 3,488,667,072.69/52,910.36
6. Step 6: Final answer
   x = 65,935.42