Finding the Fourth Proportional to 2,031.34, 2,803.30 and 1,192.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.34 : 2,803.30 = 1,192.70 : x
2. Step 2: Convert to fraction form
   2,031.34/2,803.30 = 1,192.70/x
3. Step 3: Cross multiply
   2,031.34x = 2,803.30 × 1,192.70
4. Step 4: Simplify right side
   2,031.34x = 3,343,495.91
5. Step 5: Solve for x
   x = 3,343,495.91/2,031.34
6. Step 6: Final answer
   x = 1,645.96