Finding the Fourth Proportional to 1,929.15, 2,891.16 and 1,052.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,929.15 : 2,891.16 = 1,052.06 : x
2. Step 2: Convert to fraction form
   1,929.15/2,891.16 = 1,052.06/x
3. Step 3: Cross multiply
   1,929.15x = 2,891.16 × 1,052.06
4. Step 4: Simplify right side
   1,929.15x = 3,041,659.33
5. Step 5: Solve for x
   x = 3,041,659.33/1,929.15
6. Step 6: Final answer
   x = 1,576.68