Finding the Fourth Proportional to 1,974.34, 2,724.56 and 1,090.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,974.34 : 2,724.56 = 1,090.12 : x
2. Step 2: Convert to fraction form
   1,974.34/2,724.56 = 1,090.12/x
3. Step 3: Cross multiply
   1,974.34x = 2,724.56 × 1,090.12
4. Step 4: Simplify right side
   1,974.34x = 2,970,097.35
5. Step 5: Solve for x
   x = 2,970,097.35/1,974.34
6. Step 6: Final answer
   x = 1,504.35