Finding the Fourth Proportional to 47,304.27, 70,947.50 and 17,715.78

Step by Step Solution

1. Step 1: Write the proportion equation
   47,304.27 : 70,947.50 = 17,715.78 : x
2. Step 2: Convert to fraction form
   47,304.27/70,947.50 = 17,715.78/x
3. Step 3: Cross multiply
   47,304.27x = 70,947.50 × 17,715.78
4. Step 4: Simplify right side
   47,304.27x = 1,256,890,212.97
5. Step 5: Solve for x
   x = 1,256,890,212.97/47,304.27
6. Step 6: Final answer
   x = 26,570.33