Finding the Fourth Proportional to 151,481.37, 209,048.70 and 83,499.15

Step by Step Solution

1. Step 1: Write the proportion equation
   151,481.37 : 209,048.70 = 83,499.15 : x
2. Step 2: Convert to fraction form
   151,481.37/209,048.70 = 83,499.15/x
3. Step 3: Cross multiply
   151,481.37x = 209,048.70 × 83,499.15
4. Step 4: Simplify right side
   151,481.37x = 17,455,388,758.61
5. Step 5: Solve for x
   x = 17,455,388,758.61/151,481.37
6. Step 6: Final answer
   x = 115,231.26