Finding the Fourth Proportional to 143,883.26, 215,844.57 and 49,087.98

Step by Step Solution

1. Step 1: Write the proportion equation
   143,883.26 : 215,844.57 = 49,087.98 : x
2. Step 2: Convert to fraction form
   143,883.26/215,844.57 = 49,087.98/x
3. Step 3: Cross multiply
   143,883.26x = 215,844.57 × 49,087.98
4. Step 4: Simplify right side
   143,883.26x = 10,595,373,935.27
5. Step 5: Solve for x
   x = 10,595,373,935.27/143,883.26
6. Step 6: Final answer
   x = 73,638.69