Finding the Fourth Proportional to 2,801.18, 3,865.47 and 1,541.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,801.18 : 3,865.47 = 1,541.99 : x
2. Step 2: Convert to fraction form
   2,801.18/3,865.47 = 1,541.99/x
3. Step 3: Cross multiply
   2,801.18x = 3,865.47 × 1,541.99
4. Step 4: Simplify right side
   2,801.18x = 5,960,496.76
5. Step 5: Solve for x
   x = 5,960,496.76/2,801.18
6. Step 6: Final answer
   x = 2,127.86