Finding the Fourth Proportional to 13,809,356.52, 19,065,077.69 and 12,277,224.51

Step by Step Solution

1. Step 1: Write the proportion equation
   13,809,356.52 : 19,065,077.69 = 12,277,224.51 : x
2. Step 2: Convert to fraction form
   13,809,356.52/19,065,077.69 = 12,277,224.51/x
3. Step 3: Cross multiply
   13,809,356.52x = 19,065,077.69 × 12,277,224.51
4. Step 4: Simplify right side
   13,809,356.52x = 234,066,239,039,336.03
5. Step 5: Solve for x
   x = 234,066,239,039,336.03/13,809,356.52
6. Step 6: Final answer
   x = 16,949,829.54