Finding the Fourth Proportional to 5,298.48, 7,315.20 and 4,101.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,298.48 : 7,315.20 = 4,101.30 : x
2. Step 2: Convert to fraction form
   5,298.48/7,315.20 = 4,101.30/x
3. Step 3: Cross multiply
   5,298.48x = 7,315.20 × 4,101.30
4. Step 4: Simplify right side
   5,298.48x = 30,001,829.76
5. Step 5: Solve for x
   x = 30,001,829.76/5,298.48
6. Step 6: Final answer
   x = 5,662.35