Finding the Fourth Proportional to 17,915.28, 26,876.82 and 5,436.27

Step by Step Solution

1. Step 1: Write the proportion equation
   17,915.28 : 26,876.82 = 5,436.27 : x
2. Step 2: Convert to fraction form
   17,915.28/26,876.82 = 5,436.27/x
3. Step 3: Cross multiply
   17,915.28x = 26,876.82 × 5,436.27
4. Step 4: Simplify right side
   17,915.28x = 146,109,650.26
5. Step 5: Solve for x
   x = 146,109,650.26/17,915.28
6. Step 6: Final answer
   x = 8,155.59