Finding the Fourth Proportional to 10,858.69, 14,997.27 and 7,315.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,858.69 : 14,997.27 = 7,315.75 : x
2. Step 2: Convert to fraction form
   10,858.69/14,997.27 = 7,315.75/x
3. Step 3: Cross multiply
   10,858.69x = 14,997.27 × 7,315.75
4. Step 4: Simplify right side
   10,858.69x = 109,716,278.00
5. Step 5: Solve for x
   x = 109,716,278.00/10,858.69
6. Step 6: Final answer
   x = 10,104.01