Finding the Fourth Proportional to 142,840.09, 214,274.72 and 49,333.69

Step by Step Solution

1. Step 1: Write the proportion equation
   142,840.09 : 214,274.72 = 49,333.69 : x
2. Step 2: Convert to fraction form
   142,840.09/214,274.72 = 49,333.69/x
3. Step 3: Cross multiply
   142,840.09x = 214,274.72 × 49,333.69
4. Step 4: Simplify right side
   142,840.09x = 10,570,962,198.96
5. Step 5: Solve for x
   x = 10,570,962,198.96/142,840.09
6. Step 6: Final answer
   x = 74,005.57