Finding the Fourth Proportional to 10,507.16, 14,499.69 and 5,727.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,507.16 : 14,499.69 = 5,727.15 : x
2. Step 2: Convert to fraction form
   10,507.16/14,499.69 = 5,727.15/x
3. Step 3: Cross multiply
   10,507.16x = 14,499.69 × 5,727.15
4. Step 4: Simplify right side
   10,507.16x = 83,041,878.11
5. Step 5: Solve for x
   x = 83,041,878.11/10,507.16
6. Step 6: Final answer
   x = 7,903.36