Finding the Fourth Proportional to 3,388.58, 5,082.72 and 923.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,388.58 : 5,082.72 = 923.41 : x
2. Step 2: Convert to fraction form
   3,388.58/5,082.72 = 923.41/x
3. Step 3: Cross multiply
   3,388.58x = 5,082.72 × 923.41
4. Step 4: Simplify right side
   3,388.58x = 4,693,437.37
5. Step 5: Solve for x
   x = 4,693,437.37/3,388.58
6. Step 6: Final answer
   x = 1,385.08