Finding the Fourth Proportional to 72,849.69, 100,547.55 and 45,974.16

Step by Step Solution

1. Step 1: Write the proportion equation
   72,849.69 : 100,547.55 = 45,974.16 : x
2. Step 2: Convert to fraction form
   72,849.69/100,547.55 = 45,974.16/x
3. Step 3: Cross multiply
   72,849.69x = 100,547.55 × 45,974.16
4. Step 4: Simplify right side
   72,849.69x = 4,622,589,151.31
5. Step 5: Solve for x
   x = 4,622,589,151.31/72,849.69
6. Step 6: Final answer
   x = 63,453.79