Finding the Fourth Proportional to 10,430.95, 14,395.05 and 5,715.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,430.95 : 14,395.05 = 5,715.53 : x
2. Step 2: Convert to fraction form
   10,430.95/14,395.05 = 5,715.53/x
3. Step 3: Cross multiply
   10,430.95x = 14,395.05 × 5,715.53
4. Step 4: Simplify right side
   10,430.95x = 82,275,340.13
5. Step 5: Solve for x
   x = 82,275,340.13/10,430.95
6. Step 6: Final answer
   x = 7,887.62