Finding the Fourth Proportional to 1,057.46, 1,460.03 and 703.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057.46 : 1,460.03 = 703.69 : x
2. Step 2: Convert to fraction form
   1,057.46/1,460.03 = 703.69/x
3. Step 3: Cross multiply
   1,057.46x = 1,460.03 × 703.69
4. Step 4: Simplify right side
   1,057.46x = 1,027,401.34
5. Step 5: Solve for x
   x = 1,027,401.34/1,057.46
6. Step 6: Final answer
   x = 971.58