Finding the Fourth Proportional to 113,021.50, 169,528.16 and 34,133.72

Step by Step Solution

1. Step 1: Write the proportion equation
   113,021.50 : 169,528.16 = 34,133.72 : x
2. Step 2: Convert to fraction form
   113,021.50/169,528.16 = 34,133.72/x
3. Step 3: Cross multiply
   113,021.50x = 169,528.16 × 34,133.72
4. Step 4: Simplify right side
   113,021.50x = 5,786,626,745.56
5. Step 5: Solve for x
   x = 5,786,626,745.56/113,021.50
6. Step 6: Final answer
   x = 51,199.34