Finding the Fourth Proportional to 10,510.13, 14,503.78 and 5,730.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,510.13 : 14,503.78 = 5,730.12 : x
2. Step 2: Convert to fraction form
   10,510.13/14,503.78 = 5,730.12/x
3. Step 3: Cross multiply
   10,510.13x = 14,503.78 × 5,730.12
4. Step 4: Simplify right side
   10,510.13x = 83,108,399.85
5. Step 5: Solve for x
   x = 83,108,399.85/10,510.13
6. Step 6: Final answer
   x = 7,907.46