Finding the Fourth Proportional to 113,017.37, 169,573.50 and 70,358.47

Step by Step Solution

1. Step 1: Write the proportion equation
   113,017.37 : 169,573.50 = 70,358.47 : x
2. Step 2: Convert to fraction form
   113,017.37/169,573.50 = 70,358.47/x
3. Step 3: Cross multiply
   113,017.37x = 169,573.50 × 70,358.47
4. Step 4: Simplify right side
   113,017.37x = 11,930,932,484.10
5. Step 5: Solve for x
   x = 11,930,932,484.10/113,017.37
6. Step 6: Final answer
   x = 105,567.25