Finding the Fourth Proportional to 1,095.04, 1,641.72 and 546.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,095.04 : 1,641.72 = 546.64 : x
2. Step 2: Convert to fraction form
   1,095.04/1,641.72 = 546.64/x
3. Step 3: Cross multiply
   1,095.04x = 1,641.72 × 546.64
4. Step 4: Simplify right side
   1,095.04x = 897,429.82
5. Step 5: Solve for x
   x = 897,429.82/1,095.04
6. Step 6: Final answer
   x = 819.54