Finding the Fourth Proportional to 143,074.86, 214,480.89 and 49,515.18

Step by Step Solution

1. Step 1: Write the proportion equation
   143,074.86 : 214,480.89 = 49,515.18 : x
2. Step 2: Convert to fraction form
   143,074.86/214,480.89 = 49,515.18/x
3. Step 3: Cross multiply
   143,074.86x = 214,480.89 × 49,515.18
4. Step 4: Simplify right side
   143,074.86x = 10,620,059,874.91
5. Step 5: Solve for x
   x = 10,620,059,874.91/143,074.86
6. Step 6: Final answer
   x = 74,227.30