Finding the Fourth Proportional to 413,608.83, 620,456.37 and 114,089.46

Step by Step Solution

1. Step 1: Write the proportion equation
   413,608.83 : 620,456.37 = 114,089.46 : x
2. Step 2: Convert to fraction form
   413,608.83/620,456.37 = 114,089.46/x
3. Step 3: Cross multiply
   413,608.83x = 620,456.37 × 114,089.46
4. Step 4: Simplify right side
   413,608.83x = 70,787,532,206.86
5. Step 5: Solve for x
   x = 70,787,532,206.86/413,608.83
6. Step 6: Final answer
   x = 171,146.09