Finding the Fourth Proportional to 12,877.24, 19,314.82 and 5,086.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,877.24 : 19,314.82 = 5,086.12 : x
2. Step 2: Convert to fraction form
   12,877.24/19,314.82 = 5,086.12/x
3. Step 3: Cross multiply
   12,877.24x = 19,314.82 × 5,086.12
4. Step 4: Simplify right side
   12,877.24x = 98,237,492.30
5. Step 5: Solve for x
   x = 98,237,492.30/12,877.24
6. Step 6: Final answer
   x = 7,628.77