Finding the Fourth Proportional to 13,892.63, 19,171.89 and 7,924.23

Step by Step Solution

1. Step 1: Write the proportion equation
   13,892.63 : 19,171.89 = 7,924.23 : x
2. Step 2: Convert to fraction form
   13,892.63/19,171.89 = 7,924.23/x
3. Step 3: Cross multiply
   13,892.63x = 19,171.89 × 7,924.23
4. Step 4: Simplify right side
   13,892.63x = 151,922,465.89
5. Step 5: Solve for x
   x = 151,922,465.89/13,892.63
6. Step 6: Final answer
   x = 10,935.48