Finding the Fourth Proportional to 10,845.93, 14,969.09 and 7,860.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,845.93 : 14,969.09 = 7,860.67 : x
2. Step 2: Convert to fraction form
   10,845.93/14,969.09 = 7,860.67/x
3. Step 3: Cross multiply
   10,845.93x = 14,969.09 × 7,860.67
4. Step 4: Simplify right side
   10,845.93x = 117,667,076.69
5. Step 5: Solve for x
   x = 117,667,076.69/10,845.93
6. Step 6: Final answer
   x = 10,848.96