Finding the Fourth Proportional to 13,892.56, 19,171.68 and 7,605.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,892.56 : 19,171.68 = 7,605.04 : x
2. Step 2: Convert to fraction form
   13,892.56/19,171.68 = 7,605.04/x
3. Step 3: Cross multiply
   13,892.56x = 19,171.68 × 7,605.04
4. Step 4: Simplify right side
   13,892.56x = 145,801,393.27
5. Step 5: Solve for x
   x = 145,801,393.27/13,892.56
6. Step 6: Final answer
   x = 10,494.93