Finding the Fourth Proportional to 151,511.86, 209,087.82 and 83,531.33

Step by Step Solution

1. Step 1: Write the proportion equation
   151,511.86 : 209,087.82 = 83,531.33 : x
2. Step 2: Convert to fraction form
   151,511.86/209,087.82 = 83,531.33/x
3. Step 3: Cross multiply
   151,511.86x = 209,087.82 × 83,531.33
4. Step 4: Simplify right side
   151,511.86x = 17,465,383,430.04
5. Step 5: Solve for x
   x = 17,465,383,430.04/151,511.86
6. Step 6: Final answer
   x = 115,274.03