Finding the Fourth Proportional to 55,359.95, 83,053.10 and 17,920.03

Step by Step Solution

1. Step 1: Write the proportion equation
   55,359.95 : 83,053.10 = 17,920.03 : x
2. Step 2: Convert to fraction form
   55,359.95/83,053.10 = 17,920.03/x
3. Step 3: Cross multiply
   55,359.95x = 83,053.10 × 17,920.03
4. Step 4: Simplify right side
   55,359.95x = 1,488,314,043.59
5. Step 5: Solve for x
   x = 1,488,314,043.59/55,359.95
6. Step 6: Final answer
   x = 26,884.31