Finding the Fourth Proportional to 162,216.43, 243,352.28 and 49,894.18

Step by Step Solution

1. Step 1: Write the proportion equation
   162,216.43 : 243,352.28 = 49,894.18 : x
2. Step 2: Convert to fraction form
   162,216.43/243,352.28 = 49,894.18/x
3. Step 3: Cross multiply
   162,216.43x = 243,352.28 × 49,894.18
4. Step 4: Simplify right side
   162,216.43x = 12,141,861,978.09
5. Step 5: Solve for x
   x = 12,141,861,978.09/162,216.43
6. Step 6: Final answer
   x = 74,849.77