Finding the Fourth Proportional to 151,511.75, 209,082.37 and 83,527.15

Step by Step Solution

1. Step 1: Write the proportion equation
   151,511.75 : 209,082.37 = 83,527.15 : x
2. Step 2: Convert to fraction form
   151,511.75/209,082.37 = 83,527.15/x
3. Step 3: Cross multiply
   151,511.75x = 209,082.37 × 83,527.15
4. Step 4: Simplify right side
   151,511.75x = 17,464,053,749.82
5. Step 5: Solve for x
   x = 17,464,053,749.82/151,511.75
6. Step 6: Final answer
   x = 115,265.34