Finding the Fourth Proportional to 3,901.89, 5,853.01 and 980.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,901.89 : 5,853.01 = 980.22 : x
2. Step 2: Convert to fraction form
   3,901.89/5,853.01 = 980.22/x
3. Step 3: Cross multiply
   3,901.89x = 5,853.01 × 980.22
4. Step 4: Simplify right side
   3,901.89x = 5,737,237.46
5. Step 5: Solve for x
   x = 5,737,237.46/3,901.89
6. Step 6: Final answer
   x = 1,470.37