Finding the Fourth Proportional to 1,030.22, 1,546.59 and 543.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,030.22 : 1,546.59 = 543.56 : x
2. Step 2: Convert to fraction form
   1,030.22/1,546.59 = 543.56/x
3. Step 3: Cross multiply
   1,030.22x = 1,546.59 × 543.56
4. Step 4: Simplify right side
   1,030.22x = 840,664.46
5. Step 5: Solve for x
   x = 840,664.46/1,030.22
6. Step 6: Final answer
   x = 816.00