Finding the Fourth Proportional to 162,218.57, 243,308.69 and 49,898.57

Step by Step Solution

1. Step 1: Write the proportion equation
   162,218.57 : 243,308.69 = 49,898.57 : x
2. Step 2: Convert to fraction form
   162,218.57/243,308.69 = 49,898.57/x
3. Step 3: Cross multiply
   162,218.57x = 243,308.69 × 49,898.57
4. Step 4: Simplify right side
   162,218.57x = 12,140,755,450.08
5. Step 5: Solve for x
   x = 12,140,755,450.08/162,218.57
6. Step 6: Final answer
   x = 74,841.96