Finding the Fourth Proportional to 2,072,776.72, 2,860,635.88 and 1,213,284.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072,776.72 : 2,860,635.88 = 1,213,284.88 : x
2. Step 2: Convert to fraction form
   2,072,776.72/2,860,635.88 = 1,213,284.88/x
3. Step 3: Cross multiply
   2,072,776.72x = 2,860,635.88 × 1,213,284.88
4. Step 4: Simplify right side
   2,072,776.72x = 3,470,766,260,389.49
5. Step 5: Solve for x
   x = 3,470,766,260,389.49/2,072,776.72
6. Step 6: Final answer
   x = 1,674,452.55