Finding the Fourth Proportional to 148,389.05, 204,774.78 and 80,404.43

Step by Step Solution

1. Step 1: Write the proportion equation
   148,389.05 : 204,774.78 = 80,404.43 : x
2. Step 2: Convert to fraction form
   148,389.05/204,774.78 = 80,404.43/x
3. Step 3: Cross multiply
   148,389.05x = 204,774.78 × 80,404.43
4. Step 4: Simplify right side
   148,389.05x = 16,464,798,440.40
5. Step 5: Solve for x
   x = 16,464,798,440.40/148,389.05
6. Step 6: Final answer
   x = 110,956.97