Finding the Fourth Proportional to 13,922.94, 19,213.56 and 7,635.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,922.94 : 19,213.56 = 7,635.18 : x
2. Step 2: Convert to fraction form
   13,922.94/19,213.56 = 7,635.18/x
3. Step 3: Cross multiply
   13,922.94x = 19,213.56 × 7,635.18
4. Step 4: Simplify right side
   13,922.94x = 146,698,989.04
5. Step 5: Solve for x
   x = 146,698,989.04/13,922.94
6. Step 6: Final answer
   x = 10,536.50