Finding the Fourth Proportional to 1,804.92, 2,704.54 and 1,315.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,804.92 : 2,704.54 = 1,315.72 : x
2. Step 2: Convert to fraction form
   1,804.92/2,704.54 = 1,315.72/x
3. Step 3: Cross multiply
   1,804.92x = 2,704.54 × 1,315.72
4. Step 4: Simplify right side
   1,804.92x = 3,558,417.37
5. Step 5: Solve for x
   x = 3,558,417.37/1,804.92
6. Step 6: Final answer
   x = 1,971.51