Finding the Fourth Proportional to 1,374.48, 2,061.41 and 541.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,374.48 : 2,061.41 = 541.49 : x
2. Step 2: Convert to fraction form
   1,374.48/2,061.41 = 541.49/x
3. Step 3: Cross multiply
   1,374.48x = 2,061.41 × 541.49
4. Step 4: Simplify right side
   1,374.48x = 1,116,219.89
5. Step 5: Solve for x
   x = 1,116,219.89/1,374.48
6. Step 6: Final answer
   x = 812.10