Finding the Fourth Proportional to 47,164.56, 70,748.06 and 13,885.71

Step by Step Solution

1. Step 1: Write the proportion equation
   47,164.56 : 70,748.06 = 13,885.71 : x
2. Step 2: Convert to fraction form
   47,164.56/70,748.06 = 13,885.71/x
3. Step 3: Cross multiply
   47,164.56x = 70,748.06 × 13,885.71
4. Step 4: Simplify right side
   47,164.56x = 982,387,146.50
5. Step 5: Solve for x
   x = 982,387,146.50/47,164.56
6. Step 6: Final answer
   x = 20,828.93