Finding the Fourth Proportional to 1,540.45, 2,125.83 and 841.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,540.45 : 2,125.83 = 841.83 : x
2. Step 2: Convert to fraction form
   1,540.45/2,125.83 = 841.83/x
3. Step 3: Cross multiply
   1,540.45x = 2,125.83 × 841.83
4. Step 4: Simplify right side
   1,540.45x = 1,789,580.33
5. Step 5: Solve for x
   x = 1,789,580.33/1,540.45
6. Step 6: Final answer
   x = 1,161.72