Finding the Fourth Proportional to 2,358.28, 3,533.82 and 2,113.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,358.28 : 3,533.82 = 2,113.48 : x
2. Step 2: Convert to fraction form
   2,358.28/3,533.82 = 2,113.48/x
3. Step 3: Cross multiply
   2,358.28x = 3,533.82 × 2,113.48
4. Step 4: Simplify right side
   2,358.28x = 7,468,657.89
5. Step 5: Solve for x
   x = 7,468,657.89/2,358.28
6. Step 6: Final answer
   x = 3,166.99