Finding the Fourth Proportional to 4,945.30, 7,403.55 and 4,801.30

Step by Step Solution

1. Step 1: Write the proportion equation
   4,945.30 : 7,403.55 = 4,801.30 : x
2. Step 2: Convert to fraction form
   4,945.30/7,403.55 = 4,801.30/x
3. Step 3: Cross multiply
   4,945.30x = 7,403.55 × 4,801.30
4. Step 4: Simplify right side
   4,945.30x = 35,546,664.62
5. Step 5: Solve for x
   x = 35,546,664.62/4,945.30
6. Step 6: Final answer
   x = 7,187.97