Finding the Fourth Proportional to 2,973.53, 4,459.84 and 1,123.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,973.53 : 4,459.84 = 1,123.72 : x
2. Step 2: Convert to fraction form
   2,973.53/4,459.84 = 1,123.72/x
3. Step 3: Cross multiply
   2,973.53x = 4,459.84 × 1,123.72
4. Step 4: Simplify right side
   2,973.53x = 5,011,611.40
5. Step 5: Solve for x
   x = 5,011,611.40/2,973.53
6. Step 6: Final answer
   x = 1,685.41