Finding the Fourth Proportional to 143,834.48, 215,753.72 and 55,092.48

Step by Step Solution

1. Step 1: Write the proportion equation
   143,834.48 : 215,753.72 = 55,092.48 : x
2. Step 2: Convert to fraction form
   143,834.48/215,753.72 = 55,092.48/x
3. Step 3: Cross multiply
   143,834.48x = 215,753.72 × 55,092.48
4. Step 4: Simplify right side
   143,834.48x = 11,886,407,504.03
5. Step 5: Solve for x
   x = 11,886,407,504.03/143,834.48
6. Step 6: Final answer
   x = 82,639.49