Finding the Fourth Proportional to 55,029.98, 82,540.94 and 17,580

Step by Step Solution

1. Step 1: Write the proportion equation
   55,029.98 : 82,540.94 = 17,580 : x
2. Step 2: Convert to fraction form
   55,029.98/82,540.94 = 17,580/x
3. Step 3: Cross multiply
   55,029.98x = 82,540.94 × 17,580
4. Step 4: Simplify right side
   55,029.98x = 1,451,069,769.15
5. Step 5: Solve for x
   x = 1,451,069,769.15/55,029.98
6. Step 6: Final answer
   x = 26,368.71