Finding the Fourth Proportional to 47,004.42, 70,499.67 and 13,715.54

Step by Step Solution

1. Step 1: Write the proportion equation
   47,004.42 : 70,499.67 = 13,715.54 : x
2. Step 2: Convert to fraction form
   47,004.42/70,499.67 = 13,715.54/x
3. Step 3: Cross multiply
   47,004.42x = 70,499.67 × 13,715.54
4. Step 4: Simplify right side
   47,004.42x = 966,941,043.87
5. Step 5: Solve for x
   x = 966,941,043.87/47,004.42
6. Step 6: Final answer
   x = 20,571.28