Finding the Fourth Proportional to 2,541.35, 3,810.86 and 1,154.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,541.35 : 3,810.86 = 1,154.63 : x
2. Step 2: Convert to fraction form
   2,541.35/3,810.86 = 1,154.63/x
3. Step 3: Cross multiply
   2,541.35x = 3,810.86 × 1,154.63
4. Step 4: Simplify right side
   2,541.35x = 4,400,108.45
5. Step 5: Solve for x
   x = 4,400,108.45/2,541.35
6. Step 6: Final answer
   x = 1,731.41