Finding the Fourth Proportional to 12,884.32, 19,328.16 and 3,650.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,884.32 : 19,328.16 = 3,650.56 : x
2. Step 2: Convert to fraction form
   12,884.32/19,328.16 = 3,650.56/x
3. Step 3: Cross multiply
   12,884.32x = 19,328.16 × 3,650.56
4. Step 4: Simplify right side
   12,884.32x = 70,558,607.77
5. Step 5: Solve for x
   x = 70,558,607.77/12,884.32
6. Step 6: Final answer
   x = 5,476.32