Finding the Fourth Proportional to 3,788,238.05, 5,682,318.20 and 2,189,784.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,788,238.05 : 5,682,318.20 = 2,189,784.05 : x
2. Step 2: Convert to fraction form
   3,788,238.05/5,682,318.20 = 2,189,784.05/x
3. Step 3: Cross multiply
   3,788,238.05x = 5,682,318.20 × 2,189,784.05
4. Step 4: Simplify right side
   3,788,238.05x = 12,443,049,750,435.79
5. Step 5: Solve for x
   x = 12,443,049,750,435.79/3,788,238.05
6. Step 6: Final answer
   x = 3,284,653.60