Finding the Fourth Proportional to 3,101.29, 4,648.59 and 1,251.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,101.29 : 4,648.59 = 1,251.45 : x
2. Step 2: Convert to fraction form
   3,101.29/4,648.59 = 1,251.45/x
3. Step 3: Cross multiply
   3,101.29x = 4,648.59 × 1,251.45
4. Step 4: Simplify right side
   3,101.29x = 5,817,477.96
5. Step 5: Solve for x
   x = 5,817,477.96/3,101.29
6. Step 6: Final answer
   x = 1,875.83