Finding the Fourth Proportional to 17,610.88, 26,417.76 and 7,222.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,610.88 : 26,417.76 = 7,222.72 : x
2. Step 2: Convert to fraction form
   17,610.88/26,417.76 = 7,222.72/x
3. Step 3: Cross multiply
   17,610.88x = 26,417.76 × 7,222.72
4. Step 4: Simplify right side
   17,610.88x = 190,808,083.51
5. Step 5: Solve for x
   x = 190,808,083.51/17,610.88
6. Step 6: Final answer
   x = 10,834.67