Finding the Fourth Proportional to 55,358.47, 83,050.89 and 17,918.55

Step by Step Solution

1. Step 1: Write the proportion equation
   55,358.47 : 83,050.89 = 17,918.55 : x
2. Step 2: Convert to fraction form
   55,358.47/83,050.89 = 17,918.55/x
3. Step 3: Cross multiply
   55,358.47x = 83,050.89 × 17,918.55
4. Step 4: Simplify right side
   55,358.47x = 1,488,151,480.21
5. Step 5: Solve for x
   x = 1,488,151,480.21/55,358.47
6. Step 6: Final answer
   x = 26,882.09