Finding the Fourth Proportional to 10,555.27, 15,826.61 and 3,533.58

Step by Step Solution

1. Step 1: Write the proportion equation
   10,555.27 : 15,826.61 = 3,533.58 : x
2. Step 2: Convert to fraction form
   10,555.27/15,826.61 = 3,533.58/x
3. Step 3: Cross multiply
   10,555.27x = 15,826.61 × 3,533.58
4. Step 4: Simplify right side
   10,555.27x = 55,924,601.40
5. Step 5: Solve for x
   x = 55,924,601.40/10,555.27
6. Step 6: Final answer
   x = 5,298.26