Finding the Fourth Proportional to 9,111,556.48, 12,577,114.54 and 5,245,618.44

Step by Step Solution

1. Step 1: Write the proportion equation
   9,111,556.48 : 12,577,114.54 = 5,245,618.44 : x
2. Step 2: Convert to fraction form
   9,111,556.48/12,577,114.54 = 5,245,618.44/x
3. Step 3: Cross multiply
   9,111,556.48x = 12,577,114.54 × 5,245,618.44
4. Step 4: Simplify right side
   9,111,556.48x = 65,974,743,953,016.12
5. Step 5: Solve for x
   x = 65,974,743,953,016.12/9,111,556.48
6. Step 6: Final answer
   x = 7,240,776.49