Finding the Fourth Proportional to 8,477.45, 11,696.53 and 4,892.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,477.45 : 11,696.53 = 4,892.15 : x
2. Step 2: Convert to fraction form
   8,477.45/11,696.53 = 4,892.15/x
3. Step 3: Cross multiply
   8,477.45x = 11,696.53 × 4,892.15
4. Step 4: Simplify right side
   8,477.45x = 57,221,196.25
5. Step 5: Solve for x
   x = 57,221,196.25/8,477.45
6. Step 6: Final answer
   x = 6,749.82