Finding the Fourth Proportional to 2,243,808.20, 3,117,359.56 and 2,216,904.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,243,808.20 : 3,117,359.56 = 2,216,904.00 : x
2. Step 2: Convert to fraction form
   2,243,808.20/3,117,359.56 = 2,216,904.00/x
3. Step 3: Cross multiply
   2,243,808.20x = 3,117,359.56 × 2,216,904.00
4. Step 4: Simplify right side
   2,243,808.20x = 6,910,886,870,728.83
5. Step 5: Solve for x
   x = 6,910,886,870,728.83/2,243,808.20
6. Step 6: Final answer
   x = 3,079,981.12