Finding the Fourth Proportional to 10,803.78, 14,910.48 and 7,445.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,803.78 : 14,910.48 = 7,445.52 : x
2. Step 2: Convert to fraction form
   10,803.78/14,910.48 = 7,445.52/x
3. Step 3: Cross multiply
   10,803.78x = 14,910.48 × 7,445.52
4. Step 4: Simplify right side
   10,803.78x = 111,016,277.05
5. Step 5: Solve for x
   x = 111,016,277.05/10,803.78
6. Step 6: Final answer
   x = 10,275.69