Finding the Fourth Proportional to 151,608.87, 209,221.20 and 83,627.69

Step by Step Solution

1. Step 1: Write the proportion equation
   151,608.87 : 209,221.20 = 83,627.69 : x
2. Step 2: Convert to fraction form
   151,608.87/209,221.20 = 83,627.69/x
3. Step 3: Cross multiply
   151,608.87x = 209,221.20 × 83,627.69
4. Step 4: Simplify right side
   151,608.87x = 17,496,684,608.92
5. Step 5: Solve for x
   x = 17,496,684,608.92/151,608.87
6. Step 6: Final answer
   x = 115,406.73