Finding the Fourth Proportional to 12,774.90, 17,627.29 and 7,994.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,774.90 : 17,627.29 = 7,994.28 : x
2. Step 2: Convert to fraction form
   12,774.90/17,627.29 = 7,994.28/x
3. Step 3: Cross multiply
   12,774.90x = 17,627.29 × 7,994.28
4. Step 4: Simplify right side
   12,774.90x = 140,917,491.90
5. Step 5: Solve for x
   x = 140,917,491.90/12,774.90
6. Step 6: Final answer
   x = 11,030.81