Finding the Fourth Proportional to 151,916.76, 209,647.33 and 83,935.31

Step by Step Solution

1. Step 1: Write the proportion equation
   151,916.76 : 209,647.33 = 83,935.31 : x
2. Step 2: Convert to fraction form
   151,916.76/209,647.33 = 83,935.31/x
3. Step 3: Cross multiply
   151,916.76x = 209,647.33 × 83,935.31
4. Step 4: Simplify right side
   151,916.76x = 17,596,813,634.22
5. Step 5: Solve for x
   x = 17,596,813,634.22/151,916.76
6. Step 6: Final answer
   x = 115,831.94