Finding the Fourth Proportional to 2,215,081.28, 3,322,693.00 and 698,778.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215,081.28 : 3,322,693.00 = 698,778.29 : x
2. Step 2: Convert to fraction form
   2,215,081.28/3,322,693.00 = 698,778.29/x
3. Step 3: Cross multiply
   2,215,081.28x = 3,322,693.00 × 698,778.29
4. Step 4: Simplify right side
   2,215,081.28x = 2,321,825,741,915.18
5. Step 5: Solve for x
   x = 2,321,825,741,915.18/2,215,081.28
6. Step 6: Final answer
   x = 1,048,189.86