Finding the Fourth Proportional to 7,141.40, 9,856.30 and 4,269.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,141.40 : 9,856.30 = 4,269.94 : x
2. Step 2: Convert to fraction form
   7,141.40/9,856.30 = 4,269.94/x
3. Step 3: Cross multiply
   7,141.40x = 9,856.30 × 4,269.94
4. Step 4: Simplify right side
   7,141.40x = 42,085,782.31
5. Step 5: Solve for x
   x = 42,085,782.31/7,141.40
6. Step 6: Final answer
   x = 5,893.21