Finding the Fourth Proportional to 2,031.55, 3,045.48 and 1,054.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.55 : 3,045.48 = 1,054.69 : x
2. Step 2: Convert to fraction form
   2,031.55/3,045.48 = 1,054.69/x
3. Step 3: Cross multiply
   2,031.55x = 3,045.48 × 1,054.69
4. Step 4: Simplify right side
   2,031.55x = 3,212,037.30
5. Step 5: Solve for x
   x = 3,212,037.30/2,031.55
6. Step 6: Final answer
   x = 1,581.08