Finding the Fourth Proportional to 13,892.58, 19,171.35 and 7,923.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,892.58 : 19,171.35 = 7,923.96 : x
2. Step 2: Convert to fraction form
   13,892.58/19,171.35 = 7,923.96/x
3. Step 3: Cross multiply
   13,892.58x = 19,171.35 × 7,923.96
4. Step 4: Simplify right side
   13,892.58x = 151,913,010.55
5. Step 5: Solve for x
   x = 151,913,010.55/13,892.58
6. Step 6: Final answer
   x = 10,934.83