Finding the Fourth Proportional to 13,892.63, 19,171.82 and 7,605

Step by Step Solution

1. Step 1: Write the proportion equation
   13,892.63 : 19,171.82 = 7,605 : x
2. Step 2: Convert to fraction form
   13,892.63/19,171.82 = 7,605/x
3. Step 3: Cross multiply
   13,892.63x = 19,171.82 × 7,605
4. Step 4: Simplify right side
   13,892.63x = 145,801,710.11
5. Step 5: Solve for x
   x = 145,801,710.11/13,892.63
6. Step 6: Final answer
   x = 10,494.90