Finding the Fourth Proportional to 1,924.32, 2,880.72 and 1,238.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,924.32 : 2,880.72 = 1,238.88 : x
2. Step 2: Convert to fraction form
   1,924.32/2,880.72 = 1,238.88/x
3. Step 3: Cross multiply
   1,924.32x = 2,880.72 × 1,238.88
4. Step 4: Simplify right side
   1,924.32x = 3,568,866.39
5. Step 5: Solve for x
   x = 3,568,866.39/1,924.32
6. Step 6: Final answer
   x = 1,854.61