Finding the Fourth Proportional to 1,857.87, 2,780.73 and 1,034.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,857.87 : 2,780.73 = 1,034.10 : x
2. Step 2: Convert to fraction form
   1,857.87/2,780.73 = 1,034.10/x
3. Step 3: Cross multiply
   1,857.87x = 2,780.73 × 1,034.10
4. Step 4: Simplify right side
   1,857.87x = 2,875,552.89
5. Step 5: Solve for x
   x = 2,875,552.89/1,857.87
6. Step 6: Final answer
   x = 1,547.77