Finding the Fourth Proportional to 55,418.94, 83,140.10 and 17,976.09

Step by Step Solution

1. Step 1: Write the proportion equation
   55,418.94 : 83,140.10 = 17,976.09 : x
2. Step 2: Convert to fraction form
   55,418.94/83,140.10 = 17,976.09/x
3. Step 3: Cross multiply
   55,418.94x = 83,140.10 × 17,976.09
4. Step 4: Simplify right side
   55,418.94x = 1,494,533,830.33
5. Step 5: Solve for x
   x = 1,494,533,830.33/55,418.94
6. Step 6: Final answer
   x = 26,967.93