Finding the Fourth Proportional to 10,300.10, 15,464.55 and 6,412.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,300.10 : 15,464.55 = 6,412.10 : x
2. Step 2: Convert to fraction form
   10,300.10/15,464.55 = 6,412.10/x
3. Step 3: Cross multiply
   10,300.10x = 15,464.55 × 6,412.10
4. Step 4: Simplify right side
   10,300.10x = 99,160,241.06
5. Step 5: Solve for x
   x = 99,160,241.06/10,300.10
6. Step 6: Final answer
   x = 9,627.11