Finding the Fourth Proportional to 13,162.88, 19,738.88 and 4,395.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,162.88 : 19,738.88 = 4,395.52 : x
2. Step 2: Convert to fraction form
   13,162.88/19,738.88 = 4,395.52/x
3. Step 3: Cross multiply
   13,162.88x = 19,738.88 × 4,395.52
4. Step 4: Simplify right side
   13,162.88x = 86,762,641.82
5. Step 5: Solve for x
   x = 86,762,641.82/13,162.88
6. Step 6: Final answer
   x = 6,591.46