Finding the Fourth Proportional to 2,616.37, 3,926.31 and 973.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,616.37 : 3,926.31 = 973.09 : x
2. Step 2: Convert to fraction form
   2,616.37/3,926.31 = 973.09/x
3. Step 3: Cross multiply
   2,616.37x = 3,926.31 × 973.09
4. Step 4: Simplify right side
   2,616.37x = 3,820,632.17
5. Step 5: Solve for x
   x = 3,820,632.17/2,616.37
6. Step 6: Final answer
   x = 1,460.28