Finding the Fourth Proportional to 12,322.02, 18,483.16 and 3,557

Step by Step Solution

1. Step 1: Write the proportion equation
   12,322.02 : 18,483.16 = 3,557 : x
2. Step 2: Convert to fraction form
   12,322.02/18,483.16 = 3,557/x
3. Step 3: Cross multiply
   12,322.02x = 18,483.16 × 3,557
4. Step 4: Simplify right side
   12,322.02x = 65,744,600.12
5. Step 5: Solve for x
   x = 65,744,600.12/12,322.02
6. Step 6: Final answer
   x = 5,335.54