Finding the Fourth Proportional to 20,092.10, 30,116.55 and 7,607.30

Step by Step Solution

1. Step 1: Write the proportion equation
   20,092.10 : 30,116.55 = 7,607.30 : x
2. Step 2: Convert to fraction form
   20,092.10/30,116.55 = 7,607.30/x
3. Step 3: Cross multiply
   20,092.10x = 30,116.55 × 7,607.30
4. Step 4: Simplify right side
   20,092.10x = 229,105,630.82
5. Step 5: Solve for x
   x = 229,105,630.82/20,092.10
6. Step 6: Final answer
   x = 11,402.77