Finding the Fourth Proportional to 13,892.71, 19,171.78 and 7,519.16

Step by Step Solution

1. Step 1: Write the proportion equation
   13,892.71 : 19,171.78 = 7,519.16 : x
2. Step 2: Convert to fraction form
   13,892.71/19,171.78 = 7,519.16/x
3. Step 3: Cross multiply
   13,892.71x = 19,171.78 × 7,519.16
4. Step 4: Simplify right side
   13,892.71x = 144,155,681.30
5. Step 5: Solve for x
   x = 144,155,681.30/13,892.71
6. Step 6: Final answer
   x = 10,376.35