Finding the Fourth Proportional to 151,518.80, 209,086.31 and 83,532.06

Step by Step Solution

1. Step 1: Write the proportion equation
   151,518.80 : 209,086.31 = 83,532.06 : x
2. Step 2: Convert to fraction form
   151,518.80/209,086.31 = 83,532.06/x
3. Step 3: Cross multiply
   151,518.80x = 209,086.31 × 83,532.06
4. Step 4: Simplify right side
   151,518.80x = 17,465,410,400.93
5. Step 5: Solve for x
   x = 17,465,410,400.93/151,518.80
6. Step 6: Final answer
   x = 115,268.93