Finding the Fourth Proportional to 4,976.39, 7,405.85 and 4,810.32

Step by Step Solution

1. Step 1: Write the proportion equation
   4,976.39 : 7,405.85 = 4,810.32 : x
2. Step 2: Convert to fraction form
   4,976.39/7,405.85 = 4,810.32/x
3. Step 3: Cross multiply
   4,976.39x = 7,405.85 × 4,810.32
4. Step 4: Simplify right side
   4,976.39x = 35,624,477.83
5. Step 5: Solve for x
   x = 35,624,477.83/4,976.39
6. Step 6: Final answer
   x = 7,158.70