Finding the Fourth Proportional to 55,405.72, 83,105.70 and 17,965.24

Step by Step Solution

1. Step 1: Write the proportion equation
   55,405.72 : 83,105.70 = 17,965.24 : x
2. Step 2: Convert to fraction form
   55,405.72/83,105.70 = 17,965.24/x
3. Step 3: Cross multiply
   55,405.72x = 83,105.70 × 17,965.24
4. Step 4: Simplify right side
   55,405.72x = 1,493,013,845.87
5. Step 5: Solve for x
   x = 1,493,013,845.87/55,405.72
6. Step 6: Final answer
   x = 26,946.93