Finding the Fourth Proportional to 151,411.89, 208,945.66 and 83,435.14

Step by Step Solution

1. Step 1: Write the proportion equation
   151,411.89 : 208,945.66 = 83,435.14 : x
2. Step 2: Convert to fraction form
   151,411.89/208,945.66 = 83,435.14/x
3. Step 3: Cross multiply
   151,411.89x = 208,945.66 × 83,435.14
4. Step 4: Simplify right side
   151,411.89x = 17,433,410,603.53
5. Step 5: Solve for x
   x = 17,433,410,603.53/151,411.89
6. Step 6: Final answer
   x = 115,138.98