Finding the Fourth Proportional to 10,067.36, 13,892.99 and 5,591.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,067.36 : 13,892.99 = 5,591.16 : x
2. Step 2: Convert to fraction form
   10,067.36/13,892.99 = 5,591.16/x
3. Step 3: Cross multiply
   10,067.36x = 13,892.99 × 5,591.16
4. Step 4: Simplify right side
   10,067.36x = 77,677,902.01
5. Step 5: Solve for x
   x = 77,677,902.01/10,067.36
6. Step 6: Final answer
   x = 7,715.82