Finding the Fourth Proportional to 11,943.59, 17,915.42 and 3,623.67

Step by Step Solution

1. Step 1: Write the proportion equation
   11,943.59 : 17,915.42 = 3,623.67 : x
2. Step 2: Convert to fraction form
   11,943.59/17,915.42 = 3,623.67/x
3. Step 3: Cross multiply
   11,943.59x = 17,915.42 × 3,623.67
4. Step 4: Simplify right side
   11,943.59x = 64,919,579.05
5. Step 5: Solve for x
   x = 64,919,579.05/11,943.59
6. Step 6: Final answer
   x = 5,435.52