Finding the Fourth Proportional to 2,880.69, 4,323.33 and 1,237.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,880.69 : 4,323.33 = 1,237.25 : x
2. Step 2: Convert to fraction form
   2,880.69/4,323.33 = 1,237.25/x
3. Step 3: Cross multiply
   2,880.69x = 4,323.33 × 1,237.25
4. Step 4: Simplify right side
   2,880.69x = 5,349,018.43
5. Step 5: Solve for x
   x = 5,349,018.43/2,880.69
6. Step 6: Final answer
   x = 1,856.85