Finding the Fourth Proportional to 3,479,945.48, 5,218,662.72 and 1,204,853.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,479,945.48 : 5,218,662.72 = 1,204,853.12 : x
2. Step 2: Convert to fraction form
   3,479,945.48/5,218,662.72 = 1,204,853.12/x
3. Step 3: Cross multiply
   3,479,945.48x = 5,218,662.72 × 1,204,853.12
4. Step 4: Simplify right side
   3,479,945.48x = 6,287,722,060,419.69
5. Step 5: Solve for x
   x = 6,287,722,060,419.69/3,479,945.48
6. Step 6: Final answer
   x = 1,806,844.99