Finding the Fourth Proportional to 11,762.22, 17,623.89 and 7,368.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,762.22 : 17,623.89 = 7,368.78 : x
2. Step 2: Convert to fraction form
   11,762.22/17,623.89 = 7,368.78/x
3. Step 3: Cross multiply
   11,762.22x = 17,623.89 × 7,368.78
4. Step 4: Simplify right side
   11,762.22x = 129,866,568.15
5. Step 5: Solve for x
   x = 129,866,568.15/11,762.22
6. Step 6: Final answer
   x = 11,040.99