Finding the Fourth Proportional to 10,067.86, 13,893.12 and 5,591.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,067.86 : 13,893.12 = 5,591.33 : x
2. Step 2: Convert to fraction form
   10,067.86/13,893.12 = 5,591.33/x
3. Step 3: Cross multiply
   10,067.86x = 13,893.12 × 5,591.33
4. Step 4: Simplify right side
   10,067.86x = 77,681,001.28
5. Step 5: Solve for x
   x = 77,681,001.28/10,067.86
6. Step 6: Final answer
   x = 7,715.74