Finding the Fourth Proportional to 2,683,479.72, 4,025,287.62 and 790,286.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,683,479.72 : 4,025,287.62 = 790,286.16 : x
2. Step 2: Convert to fraction form
   2,683,479.72/4,025,287.62 = 790,286.16/x
3. Step 3: Cross multiply
   2,683,479.72x = 4,025,287.62 × 790,286.16
4. Step 4: Simplify right side
   2,683,479.72x = 3,181,129,096,105.34
5. Step 5: Solve for x
   x = 3,181,129,096,105.34/2,683,479.72
6. Step 6: Final answer
   x = 1,185,449.28