Finding the Fourth Proportional to 11,296.20, 15,580.98 and 7,946.04

Step by Step Solution

1. Step 1: Write the proportion equation
   11,296.20 : 15,580.98 = 7,946.04 : x
2. Step 2: Convert to fraction form
   11,296.20/15,580.98 = 7,946.04/x
3. Step 3: Cross multiply
   11,296.20x = 15,580.98 × 7,946.04
4. Step 4: Simplify right side
   11,296.20x = 123,807,090.32
5. Step 5: Solve for x
   x = 123,807,090.32/11,296.20
6. Step 6: Final answer
   x = 10,960.07