Finding the Fourth Proportional to 55,360.43, 83,053.82 and 17,920.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,360.43 : 83,053.82 = 17,920.50 : x
2. Step 2: Convert to fraction form
   55,360.43/83,053.82 = 17,920.50/x
3. Step 3: Cross multiply
   55,360.43x = 83,053.82 × 17,920.50
4. Step 4: Simplify right side
   55,360.43x = 1,488,365,891.71
5. Step 5: Solve for x
   x = 1,488,365,891.71/55,360.43
6. Step 6: Final answer
   x = 26,885.02