Finding the Fourth Proportional to 3,438.10, 5,156.34 and 973.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,438.10 : 5,156.34 = 973.15 : x
2. Step 2: Convert to fraction form
   3,438.10/5,156.34 = 973.15/x
3. Step 3: Cross multiply
   3,438.10x = 5,156.34 × 973.15
4. Step 4: Simplify right side
   3,438.10x = 5,017,892.27
5. Step 5: Solve for x
   x = 5,017,892.27/3,438.10
6. Step 6: Final answer
   x = 1,459.50