Finding the Fourth Proportional to 11,942.19, 17,915.88 and 3,622.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,942.19 : 17,915.88 = 3,622.86 : x
2. Step 2: Convert to fraction form
   11,942.19/17,915.88 = 3,622.86/x
3. Step 3: Cross multiply
   11,942.19x = 17,915.88 × 3,622.86
4. Step 4: Simplify right side
   11,942.19x = 64,906,725.02
5. Step 5: Solve for x
   x = 64,906,725.02/11,942.19
6. Step 6: Final answer
   x = 5,435.08