Finding the Fourth Proportional to 13,388.56, 18,476.52 and 7,797.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,388.56 : 18,476.52 = 7,797.52 : x
2. Step 2: Convert to fraction form
   13,388.56/18,476.52 = 7,797.52/x
3. Step 3: Cross multiply
   13,388.56x = 18,476.52 × 7,797.52
4. Step 4: Simplify right side
   13,388.56x = 144,071,034.23
5. Step 5: Solve for x
   x = 144,071,034.23/13,388.56
6. Step 6: Final answer
   x = 10,760.76