Finding the Fourth Proportional to 142,981.50, 214,486.83 and 49,486.98

Step by Step Solution

1. Step 1: Write the proportion equation
   142,981.50 : 214,486.83 = 49,486.98 : x
2. Step 2: Convert to fraction form
   142,981.50/214,486.83 = 49,486.98/x
3. Step 3: Cross multiply
   142,981.50x = 214,486.83 × 49,486.98
4. Step 4: Simplify right side
   142,981.50x = 10,614,305,466.47
5. Step 5: Solve for x
   x = 10,614,305,466.47/142,981.50
6. Step 6: Final answer
   x = 74,235.52