Finding the Fourth Proportional to 10,810.53, 14,911.43 and 7,453.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,810.53 : 14,911.43 = 7,453.49 : x
2. Step 2: Convert to fraction form
   10,810.53/14,911.43 = 7,453.49/x
3. Step 3: Cross multiply
   10,810.53x = 14,911.43 × 7,453.49
4. Step 4: Simplify right side
   10,810.53x = 111,142,082.57
5. Step 5: Solve for x
   x = 111,142,082.57/10,810.53
6. Step 6: Final answer
   x = 10,280.91