Finding the Fourth Proportional to 113,871.33, 170,868.69 and 47,357.37

Step by Step Solution

1. Step 1: Write the proportion equation
   113,871.33 : 170,868.69 = 47,357.37 : x
2. Step 2: Convert to fraction form
   113,871.33/170,868.69 = 47,357.37/x
3. Step 3: Cross multiply
   113,871.33x = 170,868.69 × 47,357.37
4. Step 4: Simplify right side
   113,871.33x = 8,091,891,773.75
5. Step 5: Solve for x
   x = 8,091,891,773.75/113,871.33
6. Step 6: Final answer
   x = 71,061.71