Finding the Fourth Proportional to 151,449.87, 209,002.25 and 83,469.33

Step by Step Solution

1. Step 1: Write the proportion equation
   151,449.87 : 209,002.25 = 83,469.33 : x
2. Step 2: Convert to fraction form
   151,449.87/209,002.25 = 83,469.33/x
3. Step 3: Cross multiply
   151,449.87x = 209,002.25 × 83,469.33
4. Step 4: Simplify right side
   151,449.87x = 17,445,277,358.65
5. Step 5: Solve for x
   x = 17,445,277,358.65/151,449.87
6. Step 6: Final answer
   x = 115,188.46