Finding the Fourth Proportional to 14,077.36, 21,119.05 and 5,192.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,077.36 : 21,119.05 = 5,192.72 : x
2. Step 2: Convert to fraction form
   14,077.36/21,119.05 = 5,192.72/x
3. Step 3: Cross multiply
   14,077.36x = 21,119.05 × 5,192.72
4. Step 4: Simplify right side
   14,077.36x = 109,665,207.72
5. Step 5: Solve for x
   x = 109,665,207.72/14,077.36
6. Step 6: Final answer
   x = 7,790.18