Finding the Fourth Proportional to 1,918.56, 2,873.20 and 1,094.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,918.56 : 2,873.20 = 1,094.32 : x
2. Step 2: Convert to fraction form
   1,918.56/2,873.20 = 1,094.32/x
3. Step 3: Cross multiply
   1,918.56x = 2,873.20 × 1,094.32
4. Step 4: Simplify right side
   1,918.56x = 3,144,200.22
5. Step 5: Solve for x
   x = 3,144,200.22/1,918.56
6. Step 6: Final answer
   x = 1,638.83