Finding the Fourth Proportional to 3,648,969.78, 5,034,743.10 and 2,178,592.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648,969.78 : 5,034,743.10 = 2,178,592.71 : x
2. Step 2: Convert to fraction form
   3,648,969.78/5,034,743.10 = 2,178,592.71/x
3. Step 3: Cross multiply
   3,648,969.78x = 5,034,743.10 × 2,178,592.71
4. Step 4: Simplify right side
   3,648,969.78x = 10,968,654,614,382.80
5. Step 5: Solve for x
   x = 10,968,654,614,382.80/3,648,969.78
6. Step 6: Final answer
   x = 3,005,959.29