Finding the Fourth Proportional to 154,255.50, 231,401.61 and 54,394.98

Step by Step Solution

1. Step 1: Write the proportion equation
   154,255.50 : 231,401.61 = 54,394.98 : x
2. Step 2: Convert to fraction form
   154,255.50/231,401.61 = 54,394.98/x
3. Step 3: Cross multiply
   154,255.50x = 231,401.61 × 54,394.98
4. Step 4: Simplify right side
   154,255.50x = 12,587,085,947.92
5. Step 5: Solve for x
   x = 12,587,085,947.92/154,255.50
6. Step 6: Final answer
   x = 81,598.94