Finding the Fourth Proportional to 151,564.70, 209,160.27 and 83,584.23

Step by Step Solution

1. Step 1: Write the proportion equation
   151,564.70 : 209,160.27 = 83,584.23 : x
2. Step 2: Convert to fraction form
   151,564.70/209,160.27 = 83,584.23/x
3. Step 3: Cross multiply
   151,564.70x = 209,160.27 × 83,584.23
4. Step 4: Simplify right side
   151,564.70x = 17,482,500,114.54
5. Step 5: Solve for x
   x = 17,482,500,114.54/151,564.70
6. Step 6: Final answer
   x = 115,346.78