Finding the Fourth Proportional to 17,945.58, 26,907.50 and 7,422.51

Step by Step Solution

1. Step 1: Write the proportion equation
   17,945.58 : 26,907.50 = 7,422.51 : x
2. Step 2: Convert to fraction form
   17,945.58/26,907.50 = 7,422.51/x
3. Step 3: Cross multiply
   17,945.58x = 26,907.50 × 7,422.51
4. Step 4: Simplify right side
   17,945.58x = 199,721,016.17
5. Step 5: Solve for x
   x = 199,721,016.17/17,945.58
6. Step 6: Final answer
   x = 11,129.26