Finding the Fourth Proportional to 12,914.58, 19,360.53 and 8,522.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,914.58 : 19,360.53 = 8,522.76 : x
2. Step 2: Convert to fraction form
   12,914.58/19,360.53 = 8,522.76/x
3. Step 3: Cross multiply
   12,914.58x = 19,360.53 × 8,522.76
4. Step 4: Simplify right side
   12,914.58x = 165,005,150.66
5. Step 5: Solve for x
   x = 165,005,150.66/12,914.58
6. Step 6: Final answer
   x = 12,776.66