Finding the Fourth Proportional to 7,321.31, 10,100.71 and 4,804.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,321.31 : 10,100.71 = 4,804.82 : x
2. Step 2: Convert to fraction form
   7,321.31/10,100.71 = 4,804.82/x
3. Step 3: Cross multiply
   7,321.31x = 10,100.71 × 4,804.82
4. Step 4: Simplify right side
   7,321.31x = 48,532,086.80
5. Step 5: Solve for x
   x = 48,532,086.80/7,321.31
6. Step 6: Final answer
   x = 6,628.88