Finding the Fourth Proportional to 52,059.71, 71,960.50 and 47,926.28

Step by Step Solution

1. Step 1: Write the proportion equation
   52,059.71 : 71,960.50 = 47,926.28 : x
2. Step 2: Convert to fraction form
   52,059.71/71,960.50 = 47,926.28/x
3. Step 3: Cross multiply
   52,059.71x = 71,960.50 × 47,926.28
4. Step 4: Simplify right side
   52,059.71x = 3,448,799,311.75
5. Step 5: Solve for x
   x = 3,448,799,311.75/52,059.71
6. Step 6: Final answer
   x = 66,246.99