Finding the Fourth Proportional to 12,464.31, 18,696.54 and 3,699.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,464.31 : 18,696.54 = 3,699.30 : x
2. Step 2: Convert to fraction form
   12,464.31/18,696.54 = 3,699.30/x
3. Step 3: Cross multiply
   12,464.31x = 18,696.54 × 3,699.30
4. Step 4: Simplify right side
   12,464.31x = 69,164,110.42
5. Step 5: Solve for x
   x = 69,164,110.42/12,464.31
6. Step 6: Final answer
   x = 5,548.97