Finding the Fourth Proportional to 4,901.76, 7,362.10 and 4,200.56

Step by Step Solution

1. Step 1: Write the proportion equation
   4,901.76 : 7,362.10 = 4,200.56 : x
2. Step 2: Convert to fraction form
   4,901.76/7,362.10 = 4,200.56/x
3. Step 3: Cross multiply
   4,901.76x = 7,362.10 × 4,200.56
4. Step 4: Simplify right side
   4,901.76x = 30,924,942.78
5. Step 5: Solve for x
   x = 30,924,942.78/4,901.76
6. Step 6: Final answer
   x = 6,308.95