Finding the Fourth Proportional to 120,626.76, 181,222.91 and 113,810.25

Step by Step Solution

1. Step 1: Write the proportion equation
   120,626.76 : 181,222.91 = 113,810.25 : x
2. Step 2: Convert to fraction form
   120,626.76/181,222.91 = 113,810.25/x
3. Step 3: Cross multiply
   120,626.76x = 181,222.91 × 113,810.25
4. Step 4: Simplify right side
   120,626.76x = 20,625,024,123.78
5. Step 5: Solve for x
   x = 20,625,024,123.78/120,626.76
6. Step 6: Final answer
   x = 170,982.16