Finding the Fourth Proportional to 13,288.82, 19,930.49 and 5,888.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,288.82 : 19,930.49 = 5,888.56 : x
2. Step 2: Convert to fraction form
   13,288.82/19,930.49 = 5,888.56/x
3. Step 3: Cross multiply
   13,288.82x = 19,930.49 × 5,888.56
4. Step 4: Simplify right side
   13,288.82x = 117,361,810.32
5. Step 5: Solve for x
   x = 117,361,810.32/13,288.82
6. Step 6: Final answer
   x = 8,831.62