Finding the Fourth Proportional to 12,922.02, 19,386 and 3,688.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,922.02 : 19,386 = 3,688.02 : x
2. Step 2: Convert to fraction form
   12,922.02/19,386 = 3,688.02/x
3. Step 3: Cross multiply
   12,922.02x = 19,386 × 3,688.02
4. Step 4: Simplify right side
   12,922.02x = 71,495,955.72
5. Step 5: Solve for x
   x = 71,495,955.72/12,922.02
6. Step 6: Final answer
   x = 5,532.88