Finding the Fourth Proportional to 148,665.53, 205,158.53 and 80,682.48

Step by Step Solution

1. Step 1: Write the proportion equation
   148,665.53 : 205,158.53 = 80,682.48 : x
2. Step 2: Convert to fraction form
   148,665.53/205,158.53 = 80,682.48/x
3. Step 3: Cross multiply
   148,665.53x = 205,158.53 × 80,682.48
4. Step 4: Simplify right side
   148,665.53x = 16,552,698,993.55
5. Step 5: Solve for x
   x = 16,552,698,993.55/148,665.53
6. Step 6: Final answer
   x = 111,341.88