Finding the Fourth Proportional to 151,355.01, 208,869.92 and 83,371.78

Step by Step Solution

1. Step 1: Write the proportion equation
   151,355.01 : 208,869.92 = 83,371.78 : x
2. Step 2: Convert to fraction form
   151,355.01/208,869.92 = 83,371.78/x
3. Step 3: Cross multiply
   151,355.01x = 208,869.92 × 83,371.78
4. Step 4: Simplify right side
   151,355.01x = 17,413,857,018.86
5. Step 5: Solve for x
   x = 17,413,857,018.86/151,355.01
6. Step 6: Final answer
   x = 115,053.06