Finding the Fourth Proportional to 151,511.11, 209,086.79 and 83,530.58

Step by Step Solution

1. Step 1: Write the proportion equation
   151,511.11 : 209,086.79 = 83,530.58 : x
2. Step 2: Convert to fraction form
   151,511.11/209,086.79 = 83,530.58/x
3. Step 3: Cross multiply
   151,511.11x = 209,086.79 × 83,530.58
4. Step 4: Simplify right side
   151,511.11x = 17,465,140,473.27
5. Step 5: Solve for x
   x = 17,465,140,473.27/151,511.11
6. Step 6: Final answer
   x = 115,273.00