Finding the Fourth Proportional to 3,100.73, 4,276.65 and 2,156.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,100.73 : 4,276.65 = 2,156.52 : x
2. Step 2: Convert to fraction form
   3,100.73/4,276.65 = 2,156.52/x
3. Step 3: Cross multiply
   3,100.73x = 4,276.65 × 2,156.52
4. Step 4: Simplify right side
   3,100.73x = 9,222,693.25
5. Step 5: Solve for x
   x = 9,222,693.25/3,100.73
6. Step 6: Final answer
   x = 2,974.36