Finding the Fourth Proportional to 1,541.28, 2,315.76 and 1,356.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,541.28 : 2,315.76 = 1,356.96 : x
2. Step 2: Convert to fraction form
   1,541.28/2,315.76 = 1,356.96/x
3. Step 3: Cross multiply
   1,541.28x = 2,315.76 × 1,356.96
4. Step 4: Simplify right side
   1,541.28x = 3,142,393.69
5. Step 5: Solve for x
   x = 3,142,393.69/1,541.28
6. Step 6: Final answer
   x = 2,038.82