Finding the Fourth Proportional to 103,404.80, 144,963.55 and 103,404.80

Step by Step Solution

1. Step 1: Write the proportion equation
   103,404.80 : 144,963.55 = 103,404.80 : x
2. Step 2: Convert to fraction form
   103,404.80/144,963.55 = 103,404.80/x
3. Step 3: Cross multiply
   103,404.80x = 144,963.55 × 103,404.80
4. Step 4: Simplify right side
   103,404.80x = 14,989,926,895.04
5. Step 5: Solve for x
   x = 14,989,926,895.04/103,404.80
6. Step 6: Final answer
   x = 144,963.55