Finding the Fourth Proportional to 13,923.43, 19,212.56 and 7,955.49

Step by Step Solution

1. Step 1: Write the proportion equation
   13,923.43 : 19,212.56 = 7,955.49 : x
2. Step 2: Convert to fraction form
   13,923.43/19,212.56 = 7,955.49/x
3. Step 3: Cross multiply
   13,923.43x = 19,212.56 × 7,955.49
4. Step 4: Simplify right side
   13,923.43x = 152,845,213.00
5. Step 5: Solve for x
   x = 152,845,213.00/13,923.43
6. Step 6: Final answer
   x = 10,977.55