Finding the Fourth Proportional to 113,288.29, 169,921.42 and 34,403.20

Step by Step Solution

1. Step 1: Write the proportion equation
   113,288.29 : 169,921.42 = 34,403.20 : x
2. Step 2: Convert to fraction form
   113,288.29/169,921.42 = 34,403.20/x
3. Step 3: Cross multiply
   113,288.29x = 169,921.42 × 34,403.20
4. Step 4: Simplify right side
   113,288.29x = 5,845,840,085.73
5. Step 5: Solve for x
   x = 5,845,840,085.73/113,288.29
6. Step 6: Final answer
   x = 51,601.45