Finding the Fourth Proportional to 55,317.06, 82,984.82 and 17,872.72

Step by Step Solution

1. Step 1: Write the proportion equation
   55,317.06 : 82,984.82 = 17,872.72 : x
2. Step 2: Convert to fraction form
   55,317.06/82,984.82 = 17,872.72/x
3. Step 3: Cross multiply
   55,317.06x = 82,984.82 × 17,872.72
4. Step 4: Simplify right side
   55,317.06x = 1,483,164,452.11
5. Step 5: Solve for x
   x = 1,483,164,452.11/55,317.06
6. Step 6: Final answer
   x = 26,812.06