Finding the Fourth Proportional to 1,895.15, 2,615.01 and 1,055.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,895.15 : 2,615.01 = 1,055.59 : x
2. Step 2: Convert to fraction form
   1,895.15/2,615.01 = 1,055.59/x
3. Step 3: Cross multiply
   1,895.15x = 2,615.01 × 1,055.59
4. Step 4: Simplify right side
   1,895.15x = 2,760,378.41
5. Step 5: Solve for x
   x = 2,760,378.41/1,895.15
6. Step 6: Final answer
   x = 1,456.55