Finding the Fourth Proportional to 7,886.91, 10,886.17 and 5,529.63

Step by Step Solution

1. Step 1: Write the proportion equation
   7,886.91 : 10,886.17 = 5,529.63 : x
2. Step 2: Convert to fraction form
   7,886.91/10,886.17 = 5,529.63/x
3. Step 3: Cross multiply
   7,886.91x = 10,886.17 × 5,529.63
4. Step 4: Simplify right side
   7,886.91x = 60,196,492.22
5. Step 5: Solve for x
   x = 60,196,492.22/7,886.91
6. Step 6: Final answer
   x = 7,632.46