Finding the Fourth Proportional to 74,456.50, 102,837.72 and 49,262.26

Step by Step Solution

1. Step 1: Write the proportion equation
   74,456.50 : 102,837.72 = 49,262.26 : x
2. Step 2: Convert to fraction form
   74,456.50/102,837.72 = 49,262.26/x
3. Step 3: Cross multiply
   74,456.50x = 102,837.72 × 49,262.26
4. Step 4: Simplify right side
   74,456.50x = 5,066,018,500.45
5. Step 5: Solve for x
   x = 5,066,018,500.45/74,456.50
6. Step 6: Final answer
   x = 68,039.98