Finding the Fourth Proportional to 17,915.98, 26,874.02 and 5,436.11

Step by Step Solution

1. Step 1: Write the proportion equation
   17,915.98 : 26,874.02 = 5,436.11 : x
2. Step 2: Convert to fraction form
   17,915.98/26,874.02 = 5,436.11/x
3. Step 3: Cross multiply
   17,915.98x = 26,874.02 × 5,436.11
4. Step 4: Simplify right side
   17,915.98x = 146,089,994.49
5. Step 5: Solve for x
   x = 146,089,994.49/17,915.98
6. Step 6: Final answer
   x = 8,154.17