Finding the Fourth Proportional to 13,892.59, 19,171.62 and 7,519.05

Step by Step Solution

1. Step 1: Write the proportion equation
   13,892.59 : 19,171.62 = 7,519.05 : x
2. Step 2: Convert to fraction form
   13,892.59/19,171.62 = 7,519.05/x
3. Step 3: Cross multiply
   13,892.59x = 19,171.62 × 7,519.05
4. Step 4: Simplify right side
   13,892.59x = 144,152,369.36
5. Step 5: Solve for x
   x = 144,152,369.36/13,892.59
6. Step 6: Final answer
   x = 10,376.20