Finding the Fourth Proportional to 142,533.53, 213,798.05 and 49,040.09

Step by Step Solution

1. Step 1: Write the proportion equation
   142,533.53 : 213,798.05 = 49,040.09 : x
2. Step 2: Convert to fraction form
   142,533.53/213,798.05 = 49,040.09/x
3. Step 3: Cross multiply
   142,533.53x = 213,798.05 × 49,040.09
4. Step 4: Simplify right side
   142,533.53x = 10,484,675,613.82
5. Step 5: Solve for x
   x = 10,484,675,613.82/142,533.53
6. Step 6: Final answer
   x = 73,559.36