Finding the Fourth Proportional to 1,941,499.72, 2,913,560.70 and 679,338.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,941,499.72 : 2,913,560.70 = 679,338.28 : x
2. Step 2: Convert to fraction form
   1,941,499.72/2,913,560.70 = 679,338.28/x
3. Step 3: Cross multiply
   1,941,499.72x = 2,913,560.70 × 679,338.28
4. Step 4: Simplify right side
   1,941,499.72x = 1,979,293,314,613.60
5. Step 5: Solve for x
   x = 1,979,293,314,613.60/1,941,499.72
6. Step 6: Final answer
   x = 1,019,466.19