Finding the Fourth Proportional to 1,034.71, 1,551.15 and 548.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,034.71 : 1,551.15 = 548.10 : x
2. Step 2: Convert to fraction form
   1,034.71/1,551.15 = 548.10/x
3. Step 3: Cross multiply
   1,034.71x = 1,551.15 × 548.10
4. Step 4: Simplify right side
   1,034.71x = 850,185.32
5. Step 5: Solve for x
   x = 850,185.32/1,034.71
6. Step 6: Final answer
   x = 821.67