Finding the Fourth Proportional to 103,401.05, 144,958.30 and 103,401.05

Step by Step Solution

1. Step 1: Write the proportion equation
   103,401.05 : 144,958.30 = 103,401.05 : x
2. Step 2: Convert to fraction form
   103,401.05/144,958.30 = 103,401.05/x
3. Step 3: Cross multiply
   103,401.05x = 144,958.30 × 103,401.05
4. Step 4: Simplify right side
   103,401.05x = 14,988,840,426.22
5. Step 5: Solve for x
   x = 14,988,840,426.22/103,401.05
6. Step 6: Final answer
   x = 144,958.30