Finding the Fourth Proportional to 1,144.84, 1,580.31 and 703.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144.84 : 1,580.31 = 703.34 : x
2. Step 2: Convert to fraction form
   1,144.84/1,580.31 = 703.34/x
3. Step 3: Cross multiply
   1,144.84x = 1,580.31 × 703.34
4. Step 4: Simplify right side
   1,144.84x = 1,111,495.24
5. Step 5: Solve for x
   x = 1,111,495.24/1,144.84
6. Step 6: Final answer
   x = 970.88