Finding the Fourth Proportional to 3,654,400.93, 5,042,959.59 and 2,105,665.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,654,400.93 : 5,042,959.59 = 2,105,665.81 : x
2. Step 2: Convert to fraction form
   3,654,400.93/5,042,959.59 = 2,105,665.81/x
3. Step 3: Cross multiply
   3,654,400.93x = 5,042,959.59 × 2,105,665.81
4. Step 4: Simplify right side
   3,654,400.93x = 10,618,787,589,874.62
5. Step 5: Solve for x
   x = 10,618,787,589,874.62/3,654,400.93
6. Step 6: Final answer
   x = 2,905,753.31