Finding the Fourth Proportional to 13,862.32, 19,127.78 and 7,894.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,862.32 : 19,127.78 = 7,894.10 : x
2. Step 2: Convert to fraction form
   13,862.32/19,127.78 = 7,894.10/x
3. Step 3: Cross multiply
   13,862.32x = 19,127.78 × 7,894.10
4. Step 4: Simplify right side
   13,862.32x = 150,996,608.10
5. Step 5: Solve for x
   x = 150,996,608.10/13,862.32
6. Step 6: Final answer
   x = 10,892.60