Finding the Fourth Proportional to 47,132.08, 70,687.18 and 13,843.20

Step by Step Solution

1. Step 1: Write the proportion equation
   47,132.08 : 70,687.18 = 13,843.20 : x
2. Step 2: Convert to fraction form
   47,132.08/70,687.18 = 13,843.20/x
3. Step 3: Cross multiply
   47,132.08x = 70,687.18 × 13,843.20
4. Step 4: Simplify right side
   47,132.08x = 978,537,052.56
5. Step 5: Solve for x
   x = 978,537,052.56/47,132.08
6. Step 6: Final answer
   x = 20,761.59