Finding the Fourth Proportional to 113,216.50, 169,903.15 and 42,204

Step by Step Solution

1. Step 1: Write the proportion equation
   113,216.50 : 169,903.15 = 42,204 : x
2. Step 2: Convert to fraction form
   113,216.50/169,903.15 = 42,204/x
3. Step 3: Cross multiply
   113,216.50x = 169,903.15 × 42,204
4. Step 4: Simplify right side
   113,216.50x = 7,170,592,437.09
5. Step 5: Solve for x
   x = 7,170,592,437.09/113,216.50
6. Step 6: Final answer
   x = 63,335.23