Finding the Fourth Proportional to 10,806.78, 14,914.62 and 7,448.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,806.78 : 14,914.62 = 7,448.52 : x
2. Step 2: Convert to fraction form
   10,806.78/14,914.62 = 7,448.52/x
3. Step 3: Cross multiply
   10,806.78x = 14,914.62 × 7,448.52
4. Step 4: Simplify right side
   10,806.78x = 111,091,845.36
5. Step 5: Solve for x
   x = 111,091,845.36/10,806.78
6. Step 6: Final answer
   x = 10,279.83