Finding the Fourth Proportional to 5,913.57, 8,158.16 and 3,554.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,913.57 : 8,158.16 = 3,554.34 : x
2. Step 2: Convert to fraction form
   5,913.57/8,158.16 = 3,554.34/x
3. Step 3: Cross multiply
   5,913.57x = 8,158.16 × 3,554.34
4. Step 4: Simplify right side
   5,913.57x = 28,996,856.64
5. Step 5: Solve for x
   x = 28,996,856.64/5,913.57
6. Step 6: Final answer
   x = 4,903.44