Finding the Fourth Proportional to 10,466.78, 15,681.47 and 5,525.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,466.78 : 15,681.47 = 5,525.37 : x
2. Step 2: Convert to fraction form
   10,466.78/15,681.47 = 5,525.37/x
3. Step 3: Cross multiply
   10,466.78x = 15,681.47 × 5,525.37
4. Step 4: Simplify right side
   10,466.78x = 86,645,896.27
5. Step 5: Solve for x
   x = 86,645,896.27/10,466.78
6. Step 6: Final answer
   x = 8,278.18