Finding the Fourth Proportional to 12,922.61, 19,384.38 and 3,563.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,922.61 : 19,384.38 = 3,563.37 : x
2. Step 2: Convert to fraction form
   12,922.61/19,384.38 = 3,563.37/x
3. Step 3: Cross multiply
   12,922.61x = 19,384.38 × 3,563.37
4. Step 4: Simplify right side
   12,922.61x = 69,073,718.16
5. Step 5: Solve for x
   x = 69,073,718.16/12,922.61
6. Step 6: Final answer
   x = 5,345.19