Finding the Fourth Proportional to 3,705,844.54, 5,559,215.30 and 1,309,198.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,705,844.54 : 5,559,215.30 = 1,309,198.72 : x
2. Step 2: Convert to fraction form
   3,705,844.54/5,559,215.30 = 1,309,198.72/x
3. Step 3: Cross multiply
   3,705,844.54x = 5,559,215.30 × 1,309,198.72
4. Step 4: Simplify right side
   3,705,844.54x = 7,278,117,554,964.42
5. Step 5: Solve for x
   x = 7,278,117,554,964.42/3,705,844.54
6. Step 6: Final answer
   x = 1,963,956.52