Finding the Fourth Proportional to 10,875.07, 14,993.31 and 7,847.65

Step by Step Solution

1. Step 1: Write the proportion equation
   10,875.07 : 14,993.31 = 7,847.65 : x
2. Step 2: Convert to fraction form
   10,875.07/14,993.31 = 7,847.65/x
3. Step 3: Cross multiply
   10,875.07x = 14,993.31 × 7,847.65
4. Step 4: Simplify right side
   10,875.07x = 117,662,249.22
5. Step 5: Solve for x
   x = 117,662,249.22/10,875.07
6. Step 6: Final answer
   x = 10,819.45