Finding the Fourth Proportional to 12,577.84, 17,353.86 and 8,103.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,577.84 : 17,353.86 = 8,103.15 : x
2. Step 2: Convert to fraction form
   12,577.84/17,353.86 = 8,103.15/x
3. Step 3: Cross multiply
   12,577.84x = 17,353.86 × 8,103.15
4. Step 4: Simplify right side
   12,577.84x = 140,620,930.66
5. Step 5: Solve for x
   x = 140,620,930.66/12,577.84
6. Step 6: Final answer
   x = 11,180.05