Finding the Fourth Proportional to 2,320,311.53, 3,202,618.46 and 1,585,563.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,320,311.53 : 3,202,618.46 = 1,585,563.21 : x
2. Step 2: Convert to fraction form
   2,320,311.53/3,202,618.46 = 1,585,563.21/x
3. Step 3: Cross multiply
   2,320,311.53x = 3,202,618.46 × 1,585,563.21
4. Step 4: Simplify right side
   2,320,311.53x = 5,077,953,997,915.04
5. Step 5: Solve for x
   x = 5,077,953,997,915.04/2,320,311.53
6. Step 6: Final answer
   x = 2,188,479.41