Finding the Fourth Proportional to 12,406.52, 18,610.58 and 5,481

Step by Step Solution

1. Step 1: Write the proportion equation
   12,406.52 : 18,610.58 = 5,481 : x
2. Step 2: Convert to fraction form
   12,406.52/18,610.58 = 5,481/x
3. Step 3: Cross multiply
   12,406.52x = 18,610.58 × 5,481
4. Step 4: Simplify right side
   12,406.52x = 102,004,588.98
5. Step 5: Solve for x
   x = 102,004,588.98/12,406.52
6. Step 6: Final answer
   x = 8,221.85