Finding the Fourth Proportional to 47,272.37, 70,887.83 and 13,995.05

Step by Step Solution

1. Step 1: Write the proportion equation
   47,272.37 : 70,887.83 = 13,995.05 : x
2. Step 2: Convert to fraction form
   47,272.37/70,887.83 = 13,995.05/x
3. Step 3: Cross multiply
   47,272.37x = 70,887.83 × 13,995.05
4. Step 4: Simplify right side
   47,272.37x = 992,078,300.83
5. Step 5: Solve for x
   x = 992,078,300.83/47,272.37
6. Step 6: Final answer
   x = 20,986.43