Finding the Fourth Proportional to 10,303, 15,453.78 and 5,375.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,303 : 15,453.78 = 5,375.42 : x
2. Step 2: Convert to fraction form
   10,303/15,453.78 = 5,375.42/x
3. Step 3: Cross multiply
   10,303x = 15,453.78 × 5,375.42
4. Step 4: Simplify right side
   10,303x = 83,070,558.09
5. Step 5: Solve for x
   x = 83,070,558.09/10,303
6. Step 6: Final answer
   x = 8,062.75