Finding the Fourth Proportional to 10,253.58, 14,148.22 and 5,715.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,253.58 : 14,148.22 = 5,715.27 : x
2. Step 2: Convert to fraction form
   10,253.58/14,148.22 = 5,715.27/x
3. Step 3: Cross multiply
   10,253.58x = 14,148.22 × 5,715.27
4. Step 4: Simplify right side
   10,253.58x = 80,860,897.32
5. Step 5: Solve for x
   x = 80,860,897.32/10,253.58
6. Step 6: Final answer
   x = 7,886.11