Finding the Fourth Proportional to 5,123.03, 7,054.89 and 4,450.53

Step by Step Solution

1. Step 1: Write the proportion equation
   5,123.03 : 7,054.89 = 4,450.53 : x
2. Step 2: Convert to fraction form
   5,123.03/7,054.89 = 4,450.53/x
3. Step 3: Cross multiply
   5,123.03x = 7,054.89 × 4,450.53
4. Step 4: Simplify right side
   5,123.03x = 31,397,999.59
5. Step 5: Solve for x
   x = 31,397,999.59/5,123.03
6. Step 6: Final answer
   x = 6,128.80