Finding the Fourth Proportional to 1,901.82, 2,623.86 and 1,155.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,901.82 : 2,623.86 = 1,155.54 : x
2. Step 2: Convert to fraction form
   1,901.82/2,623.86 = 1,155.54/x
3. Step 3: Cross multiply
   1,901.82x = 2,623.86 × 1,155.54
4. Step 4: Simplify right side
   1,901.82x = 3,031,975.18
5. Step 5: Solve for x
   x = 3,031,975.18/1,901.82
6. Step 6: Final answer
   x = 1,594.25