Finding the Fourth Proportional to 15,328.26, 22,980.72 and 7,928.00

Step by Step Solution

1. Step 1: Write the proportion equation
   15,328.26 : 22,980.72 = 7,928.00 : x
2. Step 2: Convert to fraction form
   15,328.26/22,980.72 = 7,928.00/x
3. Step 3: Cross multiply
   15,328.26x = 22,980.72 × 7,928.00
4. Step 4: Simplify right side
   15,328.26x = 182,191,033.26
5. Step 5: Solve for x
   x = 182,191,033.26/15,328.26
6. Step 6: Final answer
   x = 11,885.96