Finding the Fourth Proportional to 3,942,849.57, 5,441,128.61 and 2,132,009.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,942,849.57 : 5,441,128.61 = 2,132,009.25 : x
2. Step 2: Convert to fraction form
   3,942,849.57/5,441,128.61 = 2,132,009.25/x
3. Step 3: Cross multiply
   3,942,849.57x = 5,441,128.61 × 2,132,009.25
4. Step 4: Simplify right side
   3,942,849.57x = 11,600,536,516,299.60
5. Step 5: Solve for x
   x = 11,600,536,516,299.60/3,942,849.57
6. Step 6: Final answer
   x = 2,942,170.71