Finding the Fourth Proportional to 154,488.13, 231,819.86 and 83,409.82

Step by Step Solution

1. Step 1: Write the proportion equation
   154,488.13 : 231,819.86 = 83,409.82 : x
2. Step 2: Convert to fraction form
   154,488.13/231,819.86 = 83,409.82/x
3. Step 3: Cross multiply
   154,488.13x = 231,819.86 × 83,409.82
4. Step 4: Simplify right side
   154,488.13x = 19,336,052,795.03
5. Step 5: Solve for x
   x = 19,336,052,795.03/154,488.13
6. Step 6: Final answer
   x = 125,162.06