Finding the Fourth Proportional to 1,418.94, 2,127.72 and 541.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,418.94 : 2,127.72 = 541.48 : x
2. Step 2: Convert to fraction form
   1,418.94/2,127.72 = 541.48/x
3. Step 3: Cross multiply
   1,418.94x = 2,127.72 × 541.48
4. Step 4: Simplify right side
   1,418.94x = 1,152,117.83
5. Step 5: Solve for x
   x = 1,152,117.83/1,418.94
6. Step 6: Final answer
   x = 811.96