Finding the Fourth Proportional to 10,012.14, 13,806.72 and 7,773.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,012.14 : 13,806.72 = 7,773.21 : x
2. Step 2: Convert to fraction form
   10,012.14/13,806.72 = 7,773.21/x
3. Step 3: Cross multiply
   10,012.14x = 13,806.72 × 7,773.21
4. Step 4: Simplify right side
   10,012.14x = 107,322,533.97
5. Step 5: Solve for x
   x = 107,322,533.97/10,012.14
6. Step 6: Final answer
   x = 10,719.24