Finding the Fourth Proportional to 151,508.67, 209,083.41 and 83,528.30

Step by Step Solution

1. Step 1: Write the proportion equation
   151,508.67 : 209,083.41 = 83,528.30 : x
2. Step 2: Convert to fraction form
   151,508.67/209,083.41 = 83,528.30/x
3. Step 3: Cross multiply
   151,508.67x = 209,083.41 × 83,528.30
4. Step 4: Simplify right side
   151,508.67x = 17,464,381,795.50
5. Step 5: Solve for x
   x = 17,464,381,795.50/151,508.67
6. Step 6: Final answer
   x = 115,269.85