Finding the Fourth Proportional to 52,729.72, 79,461.40 and 47,733.62

Step by Step Solution

1. Step 1: Write the proportion equation
   52,729.72 : 79,461.40 = 47,733.62 : x
2. Step 2: Convert to fraction form
   52,729.72/79,461.40 = 47,733.62/x
3. Step 3: Cross multiply
   52,729.72x = 79,461.40 × 47,733.62
4. Step 4: Simplify right side
   52,729.72x = 3,792,980,272.27
5. Step 5: Solve for x
   x = 3,792,980,272.27/52,729.72
6. Step 6: Final answer
   x = 71,932.49