Finding the Fourth Proportional to 139,892.22, 209,662.76 and 110,192.76

Step by Step Solution

1. Step 1: Write the proportion equation
   139,892.22 : 209,662.76 = 110,192.76 : x
2. Step 2: Convert to fraction form
   139,892.22/209,662.76 = 110,192.76/x
3. Step 3: Cross multiply
   139,892.22x = 209,662.76 × 110,192.76
4. Step 4: Simplify right side
   139,892.22x = 23,103,318,469.10
5. Step 5: Solve for x
   x = 23,103,318,469.10/139,892.22
6. Step 6: Final answer
   x = 165,150.85