Finding the Fourth Proportional to 47,905.89, 71,855.49 and 17,914.42

Step by Step Solution

1. Step 1: Write the proportion equation
   47,905.89 : 71,855.49 = 17,914.42 : x
2. Step 2: Convert to fraction form
   47,905.89/71,855.49 = 17,914.42/x
3. Step 3: Cross multiply
   47,905.89x = 71,855.49 × 17,914.42
4. Step 4: Simplify right side
   47,905.89x = 1,287,249,427.17
5. Step 5: Solve for x
   x = 1,287,249,427.17/47,905.89
6. Step 6: Final answer
   x = 26,870.38