Finding the Fourth Proportional to 1,795,446.72, 2,477,715.12 and 990,630.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,795,446.72 : 2,477,715.12 = 990,630.72 : x
2. Step 2: Convert to fraction form
   1,795,446.72/2,477,715.12 = 990,630.72/x
3. Step 3: Cross multiply
   1,795,446.72x = 2,477,715.12 × 990,630.72
4. Step 4: Simplify right side
   1,795,446.72x = 2,454,500,713,280.49
5. Step 5: Solve for x
   x = 2,454,500,713,280.49/1,795,446.72
6. Step 6: Final answer
   x = 1,367,069.65