Finding the Fourth Proportional to 12,711.83, 19,059.53 and 5,314.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,711.83 : 19,059.53 = 5,314.32 : x
2. Step 2: Convert to fraction form
   12,711.83/19,059.53 = 5,314.32/x
3. Step 3: Cross multiply
   12,711.83x = 19,059.53 × 5,314.32
4. Step 4: Simplify right side
   12,711.83x = 101,288,414.90
5. Step 5: Solve for x
   x = 101,288,414.90/12,711.83
6. Step 6: Final answer
   x = 7,968.05