Finding the Fourth Proportional to 70,717, 97,589.48 and 38,888.08

Step by Step Solution

1. Step 1: Write the proportion equation
   70,717 : 97,589.48 = 38,888.08 : x
2. Step 2: Convert to fraction form
   70,717/97,589.48 = 38,888.08/x
3. Step 3: Cross multiply
   70,717x = 97,589.48 × 38,888.08
4. Step 4: Simplify right side
   70,717x = 3,795,067,505.40
5. Step 5: Solve for x
   x = 3,795,067,505.40/70,717
6. Step 6: Final answer
   x = 53,665.56