Finding the Fourth Proportional to 13,875, 19,142.82 and 7,902.46

Step by Step Solution

1. Step 1: Write the proportion equation
   13,875 : 19,142.82 = 7,902.46 : x
2. Step 2: Convert to fraction form
   13,875/19,142.82 = 7,902.46/x
3. Step 3: Cross multiply
   13,875x = 19,142.82 × 7,902.46
4. Step 4: Simplify right side
   13,875x = 151,275,369.34
5. Step 5: Solve for x
   x = 151,275,369.34/13,875
6. Step 6: Final answer
   x = 10,902.73