Finding the Fourth Proportional to 1,094.88, 1,641.72 and 705.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,094.88 : 1,641.72 = 705.48 : x
2. Step 2: Convert to fraction form
   1,094.88/1,641.72 = 705.48/x
3. Step 3: Cross multiply
   1,094.88x = 1,641.72 × 705.48
4. Step 4: Simplify right side
   1,094.88x = 1,158,200.63
5. Step 5: Solve for x
   x = 1,158,200.63/1,094.88
6. Step 6: Final answer
   x = 1,057.83