Finding the Fourth Proportional to 1,925.37, 2,880.77 and 1,309.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,925.37 : 2,880.77 = 1,309.37 : x
2. Step 2: Convert to fraction form
   1,925.37/2,880.77 = 1,309.37/x
3. Step 3: Cross multiply
   1,925.37x = 2,880.77 × 1,309.37
4. Step 4: Simplify right side
   1,925.37x = 3,771,972.86
5. Step 5: Solve for x
   x = 3,771,972.86/1,925.37
6. Step 6: Final answer
   x = 1,959.09