Finding the Fourth Proportional to 151,519.10, 209,086.52 and 83,536.65

Step by Step Solution

1. Step 1: Write the proportion equation
   151,519.10 : 209,086.52 = 83,536.65 : x
2. Step 2: Convert to fraction form
   151,519.10/209,086.52 = 83,536.65/x
3. Step 3: Cross multiply
   151,519.10x = 209,086.52 × 83,536.65
4. Step 4: Simplify right side
   151,519.10x = 17,466,387,023.27
5. Step 5: Solve for x
   x = 17,466,387,023.27/151,519.10
6. Step 6: Final answer
   x = 115,275.15