Finding the Fourth Proportional to 4,976.23, 7,475.20 and 4,810.15

Step by Step Solution

1. Step 1: Write the proportion equation
   4,976.23 : 7,475.20 = 4,810.15 : x
2. Step 2: Convert to fraction form
   4,976.23/7,475.20 = 4,810.15/x
3. Step 3: Cross multiply
   4,976.23x = 7,475.20 × 4,810.15
4. Step 4: Simplify right side
   4,976.23x = 35,956,833.28
5. Step 5: Solve for x
   x = 35,956,833.28/4,976.23
6. Step 6: Final answer
   x = 7,225.72