Finding the Fourth Proportional to 151,833.86, 209,532.40 and 83,850.72

Step by Step Solution

1. Step 1: Write the proportion equation
   151,833.86 : 209,532.40 = 83,850.72 : x
2. Step 2: Convert to fraction form
   151,833.86/209,532.40 = 83,850.72/x
3. Step 3: Cross multiply
   151,833.86x = 209,532.40 × 83,850.72
4. Step 4: Simplify right side
   151,833.86x = 17,569,442,603.33
5. Step 5: Solve for x
   x = 17,569,442,603.33/151,833.86
6. Step 6: Final answer
   x = 115,714.92