Finding the Fourth Proportional to 1,820.01, 2,509.61 and 1,541.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,820.01 : 2,509.61 = 1,541.37 : x
2. Step 2: Convert to fraction form
   1,820.01/2,509.61 = 1,541.37/x
3. Step 3: Cross multiply
   1,820.01x = 2,509.61 × 1,541.37
4. Step 4: Simplify right side
   1,820.01x = 3,868,229.86
5. Step 5: Solve for x
   x = 3,868,229.86/1,820.01
6. Step 6: Final answer
   x = 2,125.39