Finding the Fourth Proportional to 1,095.68, 1,641.68 and 704.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,095.68 : 1,641.68 = 704.72 : x
2. Step 2: Convert to fraction form
   1,095.68/1,641.68 = 704.72/x
3. Step 3: Cross multiply
   1,095.68x = 1,641.68 × 704.72
4. Step 4: Simplify right side
   1,095.68x = 1,156,924.73
5. Step 5: Solve for x
   x = 1,156,924.73/1,095.68
6. Step 6: Final answer
   x = 1,055.90