Finding the Fourth Proportional to 148,723.89, 205,240.53 and 80,741.49

Step by Step Solution

1. Step 1: Write the proportion equation
   148,723.89 : 205,240.53 = 80,741.49 : x
2. Step 2: Convert to fraction form
   148,723.89/205,240.53 = 80,741.49/x
3. Step 3: Cross multiply
   148,723.89x = 205,240.53 × 80,741.49
4. Step 4: Simplify right side
   148,723.89x = 16,571,426,200.59
5. Step 5: Solve for x
   x = 16,571,426,200.59/148,723.89
6. Step 6: Final answer
   x = 111,424.10