Finding the Fourth Proportional to 22,069.10, 30,455.23 and 12,510.79

Step by Step Solution

1. Step 1: Write the proportion equation
   22,069.10 : 30,455.23 = 12,510.79 : x
2. Step 2: Convert to fraction form
   22,069.10/30,455.23 = 12,510.79/x
3. Step 3: Cross multiply
   22,069.10x = 30,455.23 × 12,510.79
4. Step 4: Simplify right side
   22,069.10x = 381,018,879.52
5. Step 5: Solve for x
   x = 381,018,879.52/22,069.10
6. Step 6: Final answer
   x = 17,264.81