Finding the Fourth Proportional to 1,860.72, 2,788.94 and 1,037.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,860.72 : 2,788.94 = 1,037.34 : x
2. Step 2: Convert to fraction form
   1,860.72/2,788.94 = 1,037.34/x
3. Step 3: Cross multiply
   1,860.72x = 2,788.94 × 1,037.34
4. Step 4: Simplify right side
   1,860.72x = 2,893,088.27
5. Step 5: Solve for x
   x = 2,893,088.27/1,860.72
6. Step 6: Final answer
   x = 1,554.83