Finding the Fourth Proportional to 151,155.52, 208,585.52 and 83,170

Step by Step Solution

1. Step 1: Write the proportion equation
   151,155.52 : 208,585.52 = 83,170 : x
2. Step 2: Convert to fraction form
   151,155.52/208,585.52 = 83,170/x
3. Step 3: Cross multiply
   151,155.52x = 208,585.52 × 83,170
4. Step 4: Simplify right side
   151,155.52x = 17,348,057,698.40
5. Step 5: Solve for x
   x = 17,348,057,698.40/151,155.52
6. Step 6: Final answer
   x = 114,769.59