Finding the Fourth Proportional to 9,993.88, 13,778.72 and 8,194.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,993.88 : 13,778.72 = 8,194.76 : x
2. Step 2: Convert to fraction form
   9,993.88/13,778.72 = 8,194.76/x
3. Step 3: Cross multiply
   9,993.88x = 13,778.72 × 8,194.76
4. Step 4: Simplify right side
   9,993.88x = 112,913,303.51
5. Step 5: Solve for x
   x = 112,913,303.51/9,993.88
6. Step 6: Final answer
   x = 11,298.24