Finding the Fourth Proportional to 2,846.69, 4,270.10 and 872.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,846.69 : 4,270.10 = 872.36 : x
2. Step 2: Convert to fraction form
   2,846.69/4,270.10 = 872.36/x
3. Step 3: Cross multiply
   2,846.69x = 4,270.10 × 872.36
4. Step 4: Simplify right side
   2,846.69x = 3,725,038.72
5. Step 5: Solve for x
   x = 3,725,038.72/2,846.69
6. Step 6: Final answer
   x = 1,308.55