Finding the Fourth Proportional to 10,067.67, 13,891.90 and 5,591.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,067.67 : 13,891.90 = 5,591.46 : x
2. Step 2: Convert to fraction form
   10,067.67/13,891.90 = 5,591.46/x
3. Step 3: Cross multiply
   10,067.67x = 13,891.90 × 5,591.46
4. Step 4: Simplify right side
   10,067.67x = 77,676,003.17
5. Step 5: Solve for x
   x = 77,676,003.17/10,067.67
6. Step 6: Final answer
   x = 7,715.39