Finding the Fourth Proportional to 12,469,155.99, 17,219,320.50 and 11,789,834.23

Step by Step Solution

1. Step 1: Write the proportion equation
   12,469,155.99 : 17,219,320.50 = 11,789,834.23 : x
2. Step 2: Convert to fraction form
   12,469,155.99/17,219,320.50 = 11,789,834.23/x
3. Step 3: Cross multiply
   12,469,155.99x = 17,219,320.50 × 11,789,834.23
4. Step 4: Simplify right side
   12,469,155.99x = 203,012,934,248,240.72
5. Step 5: Solve for x
   x = 203,012,934,248,240.72/12,469,155.99
6. Step 6: Final answer
   x = 16,281,208.96