Finding the Fourth Proportional to 2,632,610.40, 3,947,749.20 and 1,213,101.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632,610.40 : 3,947,749.20 = 1,213,101.60 : x
2. Step 2: Convert to fraction form
   2,632,610.40/3,947,749.20 = 1,213,101.60/x
3. Step 3: Cross multiply
   2,632,610.40x = 3,947,749.20 × 1,213,101.60
4. Step 4: Simplify right side
   2,632,610.40x = 4,789,020,870,918.72
5. Step 5: Solve for x
   x = 4,789,020,870,918.72/2,632,610.40
6. Step 6: Final answer
   x = 1,819,114.93