Finding the Fourth Proportional to 10,827.78, 14,948.64 and 7,475.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,827.78 : 14,948.64 = 7,475.46 : x
2. Step 2: Convert to fraction form
   10,827.78/14,948.64 = 7,475.46/x
3. Step 3: Cross multiply
   10,827.78x = 14,948.64 × 7,475.46
4. Step 4: Simplify right side
   10,827.78x = 111,747,960.37
5. Step 5: Solve for x
   x = 111,747,960.37/10,827.78
6. Step 6: Final answer
   x = 10,320.49