Finding the Fourth Proportional to 2,970.34, 4,456.43 and 1,122.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,970.34 : 4,456.43 = 1,122.03 : x
2. Step 2: Convert to fraction form
   2,970.34/4,456.43 = 1,122.03/x
3. Step 3: Cross multiply
   2,970.34x = 4,456.43 × 1,122.03
4. Step 4: Simplify right side
   2,970.34x = 5,000,248.15
5. Step 5: Solve for x
   x = 5,000,248.15/2,970.34
6. Step 6: Final answer
   x = 1,683.39