Finding the Fourth Proportional to 143,846.48, 215,771.72 and 55,104.48

Step by Step Solution

1. Step 1: Write the proportion equation
   143,846.48 : 215,771.72 = 55,104.48 : x
2. Step 2: Convert to fraction form
   143,846.48/215,771.72 = 55,104.48/x
3. Step 3: Cross multiply
   143,846.48x = 215,771.72 × 55,104.48
4. Step 4: Simplify right side
   143,846.48x = 11,889,988,429.31
5. Step 5: Solve for x
   x = 11,889,988,429.31/143,846.48
6. Step 6: Final answer
   x = 82,657.49