Finding the Fourth Proportional to 1,585,414.62, 2,379,803.61 and 1,404,221.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,585,414.62 : 2,379,803.61 = 1,404,221.67 : x
2. Step 2: Convert to fraction form
   1,585,414.62/2,379,803.61 = 1,404,221.67/x
3. Step 3: Cross multiply
   1,585,414.62x = 2,379,803.61 × 1,404,221.67
4. Step 4: Simplify right side
   1,585,414.62x = 3,341,771,792,485.12
5. Step 5: Solve for x
   x = 3,341,771,792,485.12/1,585,414.62
6. Step 6: Final answer
   x = 2,107,821.99