Finding the Fourth Proportional to 5,123.04, 7,069.71 and 3,000.03

Step by Step Solution

1. Step 1: Write the proportion equation
   5,123.04 : 7,069.71 = 3,000.03 : x
2. Step 2: Convert to fraction form
   5,123.04/7,069.71 = 3,000.03/x
3. Step 3: Cross multiply
   5,123.04x = 7,069.71 × 3,000.03
4. Step 4: Simplify right side
   5,123.04x = 21,209,342.09
5. Step 5: Solve for x
   x = 21,209,342.09/5,123.04
6. Step 6: Final answer
   x = 4,139.99