Finding the Fourth Proportional to 12,875.10, 17,768.33 and 7,838.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,875.10 : 17,768.33 = 7,838.52 : x
2. Step 2: Convert to fraction form
   12,875.10/17,768.33 = 7,838.52/x
3. Step 3: Cross multiply
   12,875.10x = 17,768.33 × 7,838.52
4. Step 4: Simplify right side
   12,875.10x = 139,277,410.07
5. Step 5: Solve for x
   x = 139,277,410.07/12,875.10
6. Step 6: Final answer
   x = 10,817.58