Finding the Fourth Proportional to 151,127.99, 208,556.61 and 83,143.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,127.99 : 208,556.61 = 83,143.50 : x
2. Step 2: Convert to fraction form
   151,127.99/208,556.61 = 83,143.50/x
3. Step 3: Cross multiply
   151,127.99x = 208,556.61 × 83,143.50
4. Step 4: Simplify right side
   151,127.99x = 17,340,126,503.54
5. Step 5: Solve for x
   x = 17,340,126,503.54/151,127.99
6. Step 6: Final answer
   x = 114,738.02