Finding the Fourth Proportional to 2,970.77, 4,456.44 and 1,123.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,970.77 : 4,456.44 = 1,123.43 : x
2. Step 2: Convert to fraction form
   2,970.77/4,456.44 = 1,123.43/x
3. Step 3: Cross multiply
   2,970.77x = 4,456.44 × 1,123.43
4. Step 4: Simplify right side
   2,970.77x = 5,006,498.39
5. Step 5: Solve for x
   x = 5,006,498.39/2,970.77
6. Step 6: Final answer
   x = 1,685.25