Finding the Fourth Proportional to 13,892.86, 19,172.17 and 7,924.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,892.86 : 19,172.17 = 7,924.38 : x
2. Step 2: Convert to fraction form
   13,892.86/19,172.17 = 7,924.38/x
3. Step 3: Cross multiply
   13,892.86x = 19,172.17 × 7,924.38
4. Step 4: Simplify right side
   13,892.86x = 151,927,560.50
5. Step 5: Solve for x
   x = 151,927,560.50/13,892.86
6. Step 6: Final answer
   x = 10,935.66