Finding the Fourth Proportional to 10,093.63, 13,920.35 and 7,067.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,093.63 : 13,920.35 = 7,067.20 : x
2. Step 2: Convert to fraction form
   10,093.63/13,920.35 = 7,067.20/x
3. Step 3: Cross multiply
   10,093.63x = 13,920.35 × 7,067.20
4. Step 4: Simplify right side
   10,093.63x = 98,377,897.52
5. Step 5: Solve for x
   x = 98,377,897.52/10,093.63
6. Step 6: Final answer
   x = 9,746.53