Finding the Fourth Proportional to 13,287.69, 19,917.86 and 5,895.63

Step by Step Solution

1. Step 1: Write the proportion equation
   13,287.69 : 19,917.86 = 5,895.63 : x
2. Step 2: Convert to fraction form
   13,287.69/19,917.86 = 5,895.63/x
3. Step 3: Cross multiply
   13,287.69x = 19,917.86 × 5,895.63
4. Step 4: Simplify right side
   13,287.69x = 117,428,203.88
5. Step 5: Solve for x
   x = 117,428,203.88/13,287.69
6. Step 6: Final answer
   x = 8,837.37