Finding the Fourth Proportional to 3,438.46, 5,158.56 and 973.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,438.46 : 5,158.56 = 973.30 : x
2. Step 2: Convert to fraction form
   3,438.46/5,158.56 = 973.30/x
3. Step 3: Cross multiply
   3,438.46x = 5,158.56 × 973.30
4. Step 4: Simplify right side
   3,438.46x = 5,020,826.50
5. Step 5: Solve for x
   x = 5,020,826.50/3,438.46
6. Step 6: Final answer
   x = 1,460.20