Finding the Fourth Proportional to 3,648,762.05, 5,034,456.18 and 2,178,384.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648,762.05 : 5,034,456.18 = 2,178,384.40 : x
2. Step 2: Convert to fraction form
   3,648,762.05/5,034,456.18 = 2,178,384.40/x
3. Step 3: Cross multiply
   3,648,762.05x = 5,034,456.18 × 2,178,384.40
4. Step 4: Simplify right side
   3,648,762.05x = 10,966,980,811,288.66
5. Step 5: Solve for x
   x = 10,966,980,811,288.66/3,648,762.05
6. Step 6: Final answer
   x = 3,005,671.70