Finding the Fourth Proportional to 107,077.56, 160,601.76 and 28,185.18

Step by Step Solution

1. Step 1: Write the proportion equation
   107,077.56 : 160,601.76 = 28,185.18 : x
2. Step 2: Convert to fraction form
   107,077.56/160,601.76 = 28,185.18/x
3. Step 3: Cross multiply
   107,077.56x = 160,601.76 × 28,185.18
4. Step 4: Simplify right side
   107,077.56x = 4,526,589,513.92
5. Step 5: Solve for x
   x = 4,526,589,513.92/107,077.56
6. Step 6: Final answer
   x = 42,273.93