Finding the Fourth Proportional to 1,483.81, 2,223.58 and 1,090.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.81 : 2,223.58 = 1,090.72 : x
2. Step 2: Convert to fraction form
   1,483.81/2,223.58 = 1,090.72/x
3. Step 3: Cross multiply
   1,483.81x = 2,223.58 × 1,090.72
4. Step 4: Simplify right side
   1,483.81x = 2,425,303.18
5. Step 5: Solve for x
   x = 2,425,303.18/1,483.81
6. Step 6: Final answer
   x = 1,634.51