Finding the Fourth Proportional to 11,428,530.18, 17,141,745.50 and 3,855,561.54

Step by Step Solution

1. Step 1: Write the proportion equation
   11,428,530.18 : 17,141,745.50 = 3,855,561.54 : x
2. Step 2: Convert to fraction form
   11,428,530.18/17,141,745.50 = 3,855,561.54/x
3. Step 3: Cross multiply
   11,428,530.18x = 17,141,745.50 × 3,855,561.54
4. Step 4: Simplify right side
   11,428,530.18x = 66,091,054,658,990.27
5. Step 5: Solve for x
   x = 66,091,054,658,990.27/11,428,530.18
6. Step 6: Final answer
   x = 5,782,988.15