Finding the Fourth Proportional to 103,404.55, 144,963.20 and 103,404.55

Step by Step Solution

1. Step 1: Write the proportion equation
   103,404.55 : 144,963.20 = 103,404.55 : x
2. Step 2: Convert to fraction form
   103,404.55/144,963.20 = 103,404.55/x
3. Step 3: Cross multiply
   103,404.55x = 144,963.20 × 103,404.55
4. Step 4: Simplify right side
   103,404.55x = 14,989,854,462.56
5. Step 5: Solve for x
   x = 14,989,854,462.56/103,404.55
6. Step 6: Final answer
   x = 144,963.20