Finding the Fourth Proportional to 2,031.32, 2,803.30 and 1,147.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.32 : 2,803.30 = 1,147.34 : x
2. Step 2: Convert to fraction form
   2,031.32/2,803.30 = 1,147.34/x
3. Step 3: Cross multiply
   2,031.32x = 2,803.30 × 1,147.34
4. Step 4: Simplify right side
   2,031.32x = 3,216,338.22
5. Step 5: Solve for x
   x = 3,216,338.22/2,031.32
6. Step 6: Final answer
   x = 1,583.37