Finding the Fourth Proportional to 12,907,047.20, 19,356,054.24 and 3,806,728.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,907,047.20 : 19,356,054.24 = 3,806,728.52 : x
2. Step 2: Convert to fraction form
   12,907,047.20/19,356,054.24 = 3,806,728.52/x
3. Step 3: Cross multiply
   12,907,047.20x = 19,356,054.24 × 3,806,728.52
4. Step 4: Simplify right side
   12,907,047.20x = 73,683,243,710,074.92
5. Step 5: Solve for x
   x = 73,683,243,710,074.92/12,907,047.20
6. Step 6: Final answer
   x = 5,708,760.69