Finding the Fourth Proportional to 154,323.18, 231,485.15 and 83,279.25

Step by Step Solution

1. Step 1: Write the proportion equation
   154,323.18 : 231,485.15 = 83,279.25 : x
2. Step 2: Convert to fraction form
   154,323.18/231,485.15 = 83,279.25/x
3. Step 3: Cross multiply
   154,323.18x = 231,485.15 × 83,279.25
4. Step 4: Simplify right side
   154,323.18x = 19,277,910,065.47
5. Step 5: Solve for x
   x = 19,277,910,065.47/154,323.18
6. Step 6: Final answer
   x = 124,919.08