Finding the Fourth Proportional to 162,218.56, 243,328.42 and 49,898.02

Step by Step Solution

1. Step 1: Write the proportion equation
   162,218.56 : 243,328.42 = 49,898.02 : x
2. Step 2: Convert to fraction form
   162,218.56/243,328.42 = 49,898.02/x
3. Step 3: Cross multiply
   162,218.56x = 243,328.42 × 49,898.02
4. Step 4: Simplify right side
   162,218.56x = 12,141,606,367.73
5. Step 5: Solve for x
   x = 12,141,606,367.73/162,218.56
6. Step 6: Final answer
   x = 74,847.21