Finding the Fourth Proportional to 152,016.99, 209,780.35 and 84,036.83

Step by Step Solution

1. Step 1: Write the proportion equation
   152,016.99 : 209,780.35 = 84,036.83 : x
2. Step 2: Convert to fraction form
   152,016.99/209,780.35 = 84,036.83/x
3. Step 3: Cross multiply
   152,016.99x = 209,780.35 × 84,036.83
4. Step 4: Simplify right side
   152,016.99x = 17,629,275,610.29
5. Step 5: Solve for x
   x = 17,629,275,610.29/152,016.99
6. Step 6: Final answer
   x = 115,969.11