Finding the Fourth Proportional to 1,483.42, 2,224.34 and 742.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.42 : 2,224.34 = 742.22 : x
2. Step 2: Convert to fraction form
   1,483.42/2,224.34 = 742.22/x
3. Step 3: Cross multiply
   1,483.42x = 2,224.34 × 742.22
4. Step 4: Simplify right side
   1,483.42x = 1,650,949.63
5. Step 5: Solve for x
   x = 1,650,949.63/1,483.42
6. Step 6: Final answer
   x = 1,112.93