Finding the Fourth Proportional to 1,144.86, 1,580.66 and 703.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144.86 : 1,580.66 = 703.52 : x
2. Step 2: Convert to fraction form
   1,144.86/1,580.66 = 703.52/x
3. Step 3: Cross multiply
   1,144.86x = 1,580.66 × 703.52
4. Step 4: Simplify right side
   1,144.86x = 1,112,023.07
5. Step 5: Solve for x
   x = 1,112,023.07/1,144.86
6. Step 6: Final answer
   x = 971.32