Finding the Fourth Proportional to 22,789,111.12, 31,448,972.32 and 12,475,834.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,789,111.12 : 31,448,972.32 = 12,475,834.16 : x
2. Step 2: Convert to fraction form
   22,789,111.12/31,448,972.32 = 12,475,834.16/x
3. Step 3: Cross multiply
   22,789,111.12x = 31,448,972.32 × 12,475,834.16
4. Step 4: Simplify right side
   22,789,111.12x = 392,352,163,166,750.44
5. Step 5: Solve for x
   x = 392,352,163,166,750.44/22,789,111.12
6. Step 6: Final answer
   x = 17,216,650.58