Finding the Fourth Proportional to 3,484.25, 5,225.82 and 985.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,484.25 : 5,225.82 = 985.18 : x
2. Step 2: Convert to fraction form
   3,484.25/5,225.82 = 985.18/x
3. Step 3: Cross multiply
   3,484.25x = 5,225.82 × 985.18
4. Step 4: Simplify right side
   3,484.25x = 5,148,347.46
5. Step 5: Solve for x
   x = 5,148,347.46/3,484.25
6. Step 6: Final answer
   x = 1,477.61