Finding the Fourth Proportional to 13,971.96, 19,279.89 and 7,922.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,971.96 : 19,279.89 = 7,922.48 : x
2. Step 2: Convert to fraction form
   13,971.96/19,279.89 = 7,922.48/x
3. Step 3: Cross multiply
   13,971.96x = 19,279.89 × 7,922.48
4. Step 4: Simplify right side
   13,971.96x = 152,744,446.53
5. Step 5: Solve for x
   x = 152,744,446.53/13,971.96
6. Step 6: Final answer
   x = 10,932.21