Finding the Fourth Proportional to 162,301.50, 243,463.29 and 49,974.78

Step by Step Solution

1. Step 1: Write the proportion equation
   162,301.50 : 243,463.29 = 49,974.78 : x
2. Step 2: Convert to fraction form
   162,301.50/243,463.29 = 49,974.78/x
3. Step 3: Cross multiply
   162,301.50x = 243,463.29 × 49,974.78
4. Step 4: Simplify right side
   162,301.50x = 12,167,024,355.83
5. Step 5: Solve for x
   x = 12,167,024,355.83/162,301.50
6. Step 6: Final answer
   x = 74,965.57