Finding the Fourth Proportional to 5,260,689.12, 7,259,196.72 and 3,055,121.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,260,689.12 : 7,259,196.72 = 3,055,121.52 : x
2. Step 2: Convert to fraction form
   5,260,689.12/7,259,196.72 = 3,055,121.52/x
3. Step 3: Cross multiply
   5,260,689.12x = 7,259,196.72 × 3,055,121.52
4. Step 4: Simplify right side
   5,260,689.12x = 22,177,728,117,185.41
5. Step 5: Solve for x
   x = 22,177,728,117,185.41/5,260,689.12
6. Step 6: Final answer
   x = 4,215,745.81