Finding the Fourth Proportional to 4,943.05, 7,379.33 and 4,770.05

Step by Step Solution

1. Step 1: Write the proportion equation
   4,943.05 : 7,379.33 = 4,770.05 : x
2. Step 2: Convert to fraction form
   4,943.05/7,379.33 = 4,770.05/x
3. Step 3: Cross multiply
   4,943.05x = 7,379.33 × 4,770.05
4. Step 4: Simplify right side
   4,943.05x = 35,199,712.32
5. Step 5: Solve for x
   x = 35,199,712.32/4,943.05
6. Step 6: Final answer
   x = 7,121.05