Finding the Fourth Proportional to 151,469.08, 209,036.46 and 83,485.96

Step by Step Solution

1. Step 1: Write the proportion equation
   151,469.08 : 209,036.46 = 83,485.96 : x
2. Step 2: Convert to fraction form
   151,469.08/209,036.46 = 83,485.96/x
3. Step 3: Cross multiply
   151,469.08x = 209,036.46 × 83,485.96
4. Step 4: Simplify right side
   151,469.08x = 17,451,609,538.10
5. Step 5: Solve for x
   x = 17,451,609,538.10/151,469.08
6. Step 6: Final answer
   x = 115,215.66