Finding the Fourth Proportional to 10,969.83, 15,133.23 and 7,620.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,969.83 : 15,133.23 = 7,620.48 : x
2. Step 2: Convert to fraction form
   10,969.83/15,133.23 = 7,620.48/x
3. Step 3: Cross multiply
   10,969.83x = 15,133.23 × 7,620.48
4. Step 4: Simplify right side
   10,969.83x = 115,322,476.55
5. Step 5: Solve for x
   x = 115,322,476.55/10,969.83
6. Step 6: Final answer
   x = 10,512.69