Finding the Fourth Proportional to 139,945.32, 209,925.27 and 40,096.04

Step by Step Solution

1. Step 1: Write the proportion equation
   139,945.32 : 209,925.27 = 40,096.04 : x
2. Step 2: Convert to fraction form
   139,945.32/209,925.27 = 40,096.04/x
3. Step 3: Cross multiply
   139,945.32x = 209,925.27 × 40,096.04
4. Step 4: Simplify right side
   139,945.32x = 8,417,170,973.30
5. Step 5: Solve for x
   x = 8,417,170,973.30/139,945.32
6. Step 6: Final answer
   x = 60,146.14