Finding the Fourth Proportional to 3,529.84, 4,870.72 and 1,958.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,529.84 : 4,870.72 = 1,958.28 : x
2. Step 2: Convert to fraction form
   3,529.84/4,870.72 = 1,958.28/x
3. Step 3: Cross multiply
   3,529.84x = 4,870.72 × 1,958.28
4. Step 4: Simplify right side
   3,529.84x = 9,538,233.56
5. Step 5: Solve for x
   x = 9,538,233.56/3,529.84
6. Step 6: Final answer
   x = 2,702.17