Finding the Fourth Proportional to 2,031.79, 3,048.12 and 1,154.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.79 : 3,048.12 = 1,154.70 : x
2. Step 2: Convert to fraction form
   2,031.79/3,048.12 = 1,154.70/x
3. Step 3: Cross multiply
   2,031.79x = 3,048.12 × 1,154.70
4. Step 4: Simplify right side
   2,031.79x = 3,519,667.45
5. Step 5: Solve for x
   x = 3,519,667.45/2,031.79
6. Step 6: Final answer
   x = 1,732.30