Finding the Fourth Proportional to 162,585.98, 243,956.72 and 57,454.46

Step by Step Solution

1. Step 1: Write the proportion equation
   162,585.98 : 243,956.72 = 57,454.46 : x
2. Step 2: Convert to fraction form
   162,585.98/243,956.72 = 57,454.46/x
3. Step 3: Cross multiply
   162,585.98x = 243,956.72 × 57,454.46
4. Step 4: Simplify right side
   162,585.98x = 14,016,401,610.97
5. Step 5: Solve for x
   x = 14,016,401,610.97/162,585.98
6. Step 6: Final answer
   x = 86,209.17