Finding the Fourth Proportional to 13,883.27, 19,159.25 and 7,915.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,883.27 : 19,159.25 = 7,915.50 : x
2. Step 2: Convert to fraction form
   13,883.27/19,159.25 = 7,915.50/x
3. Step 3: Cross multiply
   13,883.27x = 19,159.25 × 7,915.50
4. Step 4: Simplify right side
   13,883.27x = 151,655,003.80
5. Step 5: Solve for x
   x = 151,655,003.80/13,883.27
6. Step 6: Final answer
   x = 10,923.58