Finding the Fourth Proportional to 10,730.41, 14,820.09 and 7,321.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,730.41 : 14,820.09 = 7,321.57 : x
2. Step 2: Convert to fraction form
   10,730.41/14,820.09 = 7,321.57/x
3. Step 3: Cross multiply
   10,730.41x = 14,820.09 × 7,321.57
4. Step 4: Simplify right side
   10,730.41x = 108,506,289.29
5. Step 5: Solve for x
   x = 108,506,289.29/10,730.41
6. Step 6: Final answer
   x = 10,112.04