Finding the Fourth Proportional to 105,758.08, 158,592 and 55,806.72

Step by Step Solution

1. Step 1: Write the proportion equation
   105,758.08 : 158,592 = 55,806.72 : x
2. Step 2: Convert to fraction form
   105,758.08/158,592 = 55,806.72/x
3. Step 3: Cross multiply
   105,758.08x = 158,592 × 55,806.72
4. Step 4: Simplify right side
   105,758.08x = 8,850,499,338.24
5. Step 5: Solve for x
   x = 8,850,499,338.24/105,758.08
6. Step 6: Final answer
   x = 83,686.27