Finding the Fourth Proportional to 12,322.01, 18,483.15 and 3,557

Step by Step Solution

1. Step 1: Write the proportion equation
   12,322.01 : 18,483.15 = 3,557 : x
2. Step 2: Convert to fraction form
   12,322.01/18,483.15 = 3,557/x
3. Step 3: Cross multiply
   12,322.01x = 18,483.15 × 3,557
4. Step 4: Simplify right side
   12,322.01x = 65,744,564.55
5. Step 5: Solve for x
   x = 65,744,564.55/12,322.01
6. Step 6: Final answer
   x = 5,335.54