Finding the Fourth Proportional to 7,503.49, 10,353.91 and 4,146.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,503.49 : 10,353.91 = 4,146.10 : x
2. Step 2: Convert to fraction form
   7,503.49/10,353.91 = 4,146.10/x
3. Step 3: Cross multiply
   7,503.49x = 10,353.91 × 4,146.10
4. Step 4: Simplify right side
   7,503.49x = 42,928,346.25
5. Step 5: Solve for x
   x = 42,928,346.25/7,503.49
6. Step 6: Final answer
   x = 5,721.12