Finding the Fourth Proportional to 103,144.30, 154,392.91 and 70,935.46

Step by Step Solution

1. Step 1: Write the proportion equation
   103,144.30 : 154,392.91 = 70,935.46 : x
2. Step 2: Convert to fraction form
   103,144.30/154,392.91 = 70,935.46/x
3. Step 3: Cross multiply
   103,144.30x = 154,392.91 × 70,935.46
4. Step 4: Simplify right side
   103,144.30x = 10,951,932,091.59
5. Step 5: Solve for x
   x = 10,951,932,091.59/103,144.30
6. Step 6: Final answer
   x = 106,180.68