Finding the Fourth Proportional to 12,463.17, 18,691.59 and 3,696.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,463.17 : 18,691.59 = 3,696.06 : x
2. Step 2: Convert to fraction form
   12,463.17/18,691.59 = 3,696.06/x
3. Step 3: Cross multiply
   12,463.17x = 18,691.59 × 3,696.06
4. Step 4: Simplify right side
   12,463.17x = 69,085,238.14
5. Step 5: Solve for x
   x = 69,085,238.14/12,463.17
6. Step 6: Final answer
   x = 5,543.15