Finding the Fourth Proportional to 3,809,271.18, 5,256,945.86 and 2,090,453.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,809,271.18 : 5,256,945.86 = 2,090,453.21 : x
2. Step 2: Convert to fraction form
   3,809,271.18/5,256,945.86 = 2,090,453.21/x
3. Step 3: Cross multiply
   3,809,271.18x = 5,256,945.86 × 2,090,453.21
4. Step 4: Simplify right side
   3,809,271.18x = 10,989,399,311,096.22
5. Step 5: Solve for x
   x = 10,989,399,311,096.22/3,809,271.18
6. Step 6: Final answer
   x = 2,884,908.63