Finding the Fourth Proportional to 23,298.86, 34,911.83 and 12,759.95

Step by Step Solution

1. Step 1: Write the proportion equation
   23,298.86 : 34,911.83 = 12,759.95 : x
2. Step 2: Convert to fraction form
   23,298.86/34,911.83 = 12,759.95/x
3. Step 3: Cross multiply
   23,298.86x = 34,911.83 × 12,759.95
4. Step 4: Simplify right side
   23,298.86x = 445,472,966.85
5. Step 5: Solve for x
   x = 445,472,966.85/23,298.86
6. Step 6: Final answer
   x = 19,119.95