Finding the Fourth Proportional to 2,178,449.22, 3,006,298.56 and 1,211,579.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178,449.22 : 3,006,298.56 = 1,211,579.94 : x
2. Step 2: Convert to fraction form
   2,178,449.22/3,006,298.56 = 1,211,579.94/x
3. Step 3: Cross multiply
   2,178,449.22x = 3,006,298.56 × 1,211,579.94
4. Step 4: Simplify right side
   2,178,449.22x = 3,642,371,028,946.89
5. Step 5: Solve for x
   x = 3,642,371,028,946.89/2,178,449.22
6. Step 6: Final answer
   x = 1,672,001.81