Finding the Fourth Proportional to 140,838.47, 194,243.90 and 123,806.46

Step by Step Solution

1. Step 1: Write the proportion equation
   140,838.47 : 194,243.90 = 123,806.46 : x
2. Step 2: Convert to fraction form
   140,838.47/194,243.90 = 123,806.46/x
3. Step 3: Cross multiply
   140,838.47x = 194,243.90 × 123,806.46
4. Step 4: Simplify right side
   140,838.47x = 24,048,649,635.59
5. Step 5: Solve for x
   x = 24,048,649,635.59/140,838.47
6. Step 6: Final answer
   x = 170,753.41