Finding the Fourth Proportional to 2,031.56, 2,804.28 and 1,245.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.56 : 2,804.28 = 1,245.32 : x
2. Step 2: Convert to fraction form
   2,031.56/2,804.28 = 1,245.32/x
3. Step 3: Cross multiply
   2,031.56x = 2,804.28 × 1,245.32
4. Step 4: Simplify right side
   2,031.56x = 3,492,225.97
5. Step 5: Solve for x
   x = 3,492,225.97/2,031.56
6. Step 6: Final answer
   x = 1,718.99