Finding the Fourth Proportional to 162,388.04, 243,601.50 and 57,185.24

Step by Step Solution

1. Step 1: Write the proportion equation
   162,388.04 : 243,601.50 = 57,185.24 : x
2. Step 2: Convert to fraction form
   162,388.04/243,601.50 = 57,185.24/x
3. Step 3: Cross multiply
   162,388.04x = 243,601.50 × 57,185.24
4. Step 4: Simplify right side
   162,388.04x = 13,930,410,241.86
5. Step 5: Solve for x
   x = 13,930,410,241.86/162,388.04
6. Step 6: Final answer
   x = 85,784.71