Finding the Fourth Proportional to 1,442.84, 2,164.42 and 468.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,442.84 : 2,164.42 = 468.72 : x
2. Step 2: Convert to fraction form
   1,442.84/2,164.42 = 468.72/x
3. Step 3: Cross multiply
   1,442.84x = 2,164.42 × 468.72
4. Step 4: Simplify right side
   1,442.84x = 1,014,506.94
5. Step 5: Solve for x
   x = 1,014,506.94/1,442.84
6. Step 6: Final answer
   x = 703.13