Finding the Fourth Proportional to 1,085.34, 1,624.77 and 651.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085.34 : 1,624.77 = 651.18 : x
2. Step 2: Convert to fraction form
   1,085.34/1,624.77 = 651.18/x
3. Step 3: Cross multiply
   1,085.34x = 1,624.77 × 651.18
4. Step 4: Simplify right side
   1,085.34x = 1,058,017.73
5. Step 5: Solve for x
   x = 1,058,017.73/1,085.34
6. Step 6: Final answer
   x = 974.83