Finding the Fourth Proportional to 103,061.60, 144,493.60 and 103,061.60

Step by Step Solution

1. Step 1: Write the proportion equation
   103,061.60 : 144,493.60 = 103,061.60 : x
2. Step 2: Convert to fraction form
   103,061.60/144,493.60 = 103,061.60/x
3. Step 3: Cross multiply
   103,061.60x = 144,493.60 × 103,061.60
4. Step 4: Simplify right side
   103,061.60x = 14,891,741,605.76
5. Step 5: Solve for x
   x = 14,891,741,605.76/103,061.60
6. Step 6: Final answer
   x = 144,493.60