Finding the Fourth Proportional to 12,875.24, 17,769.33 and 7,842.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,875.24 : 17,769.33 = 7,842.41 : x
2. Step 2: Convert to fraction form
   12,875.24/17,769.33 = 7,842.41/x
3. Step 3: Cross multiply
   12,875.24x = 17,769.33 × 7,842.41
4. Step 4: Simplify right side
   12,875.24x = 139,354,349.07
5. Step 5: Solve for x
   x = 139,354,349.07/12,875.24
6. Step 6: Final answer
   x = 10,823.43