Finding the Fourth Proportional to 2,910,401.91, 4,016,478.83 and 1,621,243.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,910,401.91 : 4,016,478.83 = 1,621,243.17 : x
2. Step 2: Convert to fraction form
   2,910,401.91/4,016,478.83 = 1,621,243.17/x
3. Step 3: Cross multiply
   2,910,401.91x = 4,016,478.83 × 1,621,243.17
4. Step 4: Simplify right side
   2,910,401.91x = 6,511,688,862,480.88
5. Step 5: Solve for x
   x = 6,511,688,862,480.88/2,910,401.91
6. Step 6: Final answer
   x = 2,237,384.75