Finding the Fourth Proportional to 151,559.61, 209,164.19 and 83,582.79

Step by Step Solution

1. Step 1: Write the proportion equation
   151,559.61 : 209,164.19 = 83,582.79 : x
2. Step 2: Convert to fraction form
   151,559.61/209,164.19 = 83,582.79/x
3. Step 3: Cross multiply
   151,559.61x = 209,164.19 × 83,582.79
4. Step 4: Simplify right side
   151,559.61x = 17,482,526,150.38
5. Step 5: Solve for x
   x = 17,482,526,150.38/151,559.61
6. Step 6: Final answer
   x = 115,350.83