Finding the Fourth Proportional to 55,105.46, 82,665.98 and 17,656.78

Step by Step Solution

1. Step 1: Write the proportion equation
   55,105.46 : 82,665.98 = 17,656.78 : x
2. Step 2: Convert to fraction form
   55,105.46/82,665.98 = 17,656.78/x
3. Step 3: Cross multiply
   55,105.46x = 82,665.98 × 17,656.78
4. Step 4: Simplify right side
   55,105.46x = 1,459,615,022.34
5. Step 5: Solve for x
   x = 1,459,615,022.34/55,105.46
6. Step 6: Final answer
   x = 26,487.67