Finding the Fourth Proportional to 113,019.50, 169,525.16 and 34,131.72

Step by Step Solution

1. Step 1: Write the proportion equation
   113,019.50 : 169,525.16 = 34,131.72 : x
2. Step 2: Convert to fraction form
   113,019.50/169,525.16 = 34,131.72/x
3. Step 3: Cross multiply
   113,019.50x = 169,525.16 × 34,131.72
4. Step 4: Simplify right side
   113,019.50x = 5,786,185,294.08
5. Step 5: Solve for x
   x = 5,786,185,294.08/113,019.50
6. Step 6: Final answer
   x = 51,196.34