Finding the Fourth Proportional to 1,928.59, 2,894.71 and 1,051.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,928.59 : 2,894.71 = 1,051.97 : x
2. Step 2: Convert to fraction form
   1,928.59/2,894.71 = 1,051.97/x
3. Step 3: Cross multiply
   1,928.59x = 2,894.71 × 1,051.97
4. Step 4: Simplify right side
   1,928.59x = 3,045,152.19
5. Step 5: Solve for x
   x = 3,045,152.19/1,928.59
6. Step 6: Final answer
   x = 1,578.95