Finding the Fourth Proportional to 143,834.86, 215,754.11 and 55,093.69

Step by Step Solution

1. Step 1: Write the proportion equation
   143,834.86 : 215,754.11 = 55,093.69 : x
2. Step 2: Convert to fraction form
   143,834.86/215,754.11 = 55,093.69/x
3. Step 3: Cross multiply
   143,834.86x = 215,754.11 × 55,093.69
4. Step 4: Simplify right side
   143,834.86x = 11,886,688,698.33
5. Step 5: Solve for x
   x = 11,886,688,698.33/143,834.86
6. Step 6: Final answer
   x = 82,641.23