Finding the Fourth Proportional to 11,963.59, 17,948.12 and 3,644.79

Step by Step Solution

1. Step 1: Write the proportion equation
   11,963.59 : 17,948.12 = 3,644.79 : x
2. Step 2: Convert to fraction form
   11,963.59/17,948.12 = 3,644.79/x
3. Step 3: Cross multiply
   11,963.59x = 17,948.12 × 3,644.79
4. Step 4: Simplify right side
   11,963.59x = 65,417,128.29
5. Step 5: Solve for x
   x = 65,417,128.29/11,963.59
6. Step 6: Final answer
   x = 5,468.02