Finding the Fourth Proportional to 103,401.30, 144,958.65 and 103,401.30

Step by Step Solution

1. Step 1: Write the proportion equation
   103,401.30 : 144,958.65 = 103,401.30 : x
2. Step 2: Convert to fraction form
   103,401.30/144,958.65 = 103,401.30/x
3. Step 3: Cross multiply
   103,401.30x = 144,958.65 × 103,401.30
4. Step 4: Simplify right side
   103,401.30x = 14,988,912,856.25
5. Step 5: Solve for x
   x = 14,988,912,856.25/103,401.30
6. Step 6: Final answer
   x = 144,958.65