Finding the Fourth Proportional to 14,477.55, 21,712.42 and 5,116.33

Step by Step Solution

1. Step 1: Write the proportion equation
   14,477.55 : 21,712.42 = 5,116.33 : x
2. Step 2: Convert to fraction form
   14,477.55/21,712.42 = 5,116.33/x
3. Step 3: Cross multiply
   14,477.55x = 21,712.42 × 5,116.33
4. Step 4: Simplify right side
   14,477.55x = 111,087,905.82
5. Step 5: Solve for x
   x = 111,087,905.82/14,477.55
6. Step 6: Final answer
   x = 7,673.11