Finding the Fourth Proportional to 3,150.89, 4,726.25 and 810.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,150.89 : 4,726.25 = 810.84 : x
2. Step 2: Convert to fraction form
   3,150.89/4,726.25 = 810.84/x
3. Step 3: Cross multiply
   3,150.89x = 4,726.25 × 810.84
4. Step 4: Simplify right side
   3,150.89x = 3,832,228.50
5. Step 5: Solve for x
   x = 3,832,228.50/3,150.89
6. Step 6: Final answer
   x = 1,216.24