Finding the Fourth Proportional to 8,127.83, 11,212.32 and 5,611.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,127.83 : 11,212.32 = 5,611.34 : x
2. Step 2: Convert to fraction form
   8,127.83/11,212.32 = 5,611.34/x
3. Step 3: Cross multiply
   8,127.83x = 11,212.32 × 5,611.34
4. Step 4: Simplify right side
   8,127.83x = 62,916,188.78
5. Step 5: Solve for x
   x = 62,916,188.78/8,127.83
6. Step 6: Final answer
   x = 7,740.84