Finding the Fourth Proportional to 1,013.02, 1,518.67 and 705.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,013.02 : 1,518.67 = 705.46 : x
2. Step 2: Convert to fraction form
   1,013.02/1,518.67 = 705.46/x
3. Step 3: Cross multiply
   1,013.02x = 1,518.67 × 705.46
4. Step 4: Simplify right side
   1,013.02x = 1,071,360.94
5. Step 5: Solve for x
   x = 1,071,360.94/1,013.02
6. Step 6: Final answer
   x = 1,057.59