Finding the Fourth Proportional to 151,021.72, 208,410.12 and 83,039.83

Step by Step Solution

1. Step 1: Write the proportion equation
   151,021.72 : 208,410.12 = 83,039.83 : x
2. Step 2: Convert to fraction form
   151,021.72/208,410.12 = 83,039.83/x
3. Step 3: Cross multiply
   151,021.72x = 208,410.12 × 83,039.83
4. Step 4: Simplify right side
   151,021.72x = 17,306,340,935.08
5. Step 5: Solve for x
   x = 17,306,340,935.08/151,021.72
6. Step 6: Final answer
   x = 114,595.05