Finding the Fourth Proportional to 8,492.38, 11,719.55 and 5,137.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,492.38 : 11,719.55 = 5,137.43 : x
2. Step 2: Convert to fraction form
   8,492.38/11,719.55 = 5,137.43/x
3. Step 3: Cross multiply
   8,492.38x = 11,719.55 × 5,137.43
4. Step 4: Simplify right side
   8,492.38x = 60,208,322.00
5. Step 5: Solve for x
   x = 60,208,322.00/8,492.38
6. Step 6: Final answer
   x = 7,089.69