Finding the Fourth Proportional to 2,973.61, 4,456.96 and 1,123.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,973.61 : 4,456.96 = 1,123.55 : x
2. Step 2: Convert to fraction form
   2,973.61/4,456.96 = 1,123.55/x
3. Step 3: Cross multiply
   2,973.61x = 4,456.96 × 1,123.55
4. Step 4: Simplify right side
   2,973.61x = 5,007,592.31
5. Step 5: Solve for x
   x = 5,007,592.31/2,973.61
6. Step 6: Final answer
   x = 1,684.01