Finding the Fourth Proportional to 1,074,796.57, 1,612,136.53 and 326,784.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074,796.57 : 1,612,136.53 = 326,784.25 : x
2. Step 2: Convert to fraction form
   1,074,796.57/1,612,136.53 = 326,784.25/x
3. Step 3: Cross multiply
   1,074,796.57x = 1,612,136.53 × 326,784.25
4. Step 4: Simplify right side
   1,074,796.57x = 526,820,826,853.65
5. Step 5: Solve for x
   x = 526,820,826,853.65/1,074,796.57
6. Step 6: Final answer
   x = 490,158.64