Finding the Fourth Proportional to 10,308.78, 15,466.24 and 7,312.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,308.78 : 15,466.24 = 7,312.59 : x
2. Step 2: Convert to fraction form
   10,308.78/15,466.24 = 7,312.59/x
3. Step 3: Cross multiply
   10,308.78x = 15,466.24 × 7,312.59
4. Step 4: Simplify right side
   10,308.78x = 113,098,271.96
5. Step 5: Solve for x
   x = 113,098,271.96/10,308.78
6. Step 6: Final answer
   x = 10,971.06