Finding the Fourth Proportional to 151,744.12, 209,406.88 and 83,761.10

Step by Step Solution

1. Step 1: Write the proportion equation
   151,744.12 : 209,406.88 = 83,761.10 : x
2. Step 2: Convert to fraction form
   151,744.12/209,406.88 = 83,761.10/x
3. Step 3: Cross multiply
   151,744.12x = 209,406.88 × 83,761.10
4. Step 4: Simplify right side
   151,744.12x = 17,540,150,616.37
5. Step 5: Solve for x
   x = 17,540,150,616.37/151,744.12
6. Step 6: Final answer
   x = 115,590.31