Finding the Fourth Proportional to 148,986.42, 205,571.85 and 83,577.42

Step by Step Solution

1. Step 1: Write the proportion equation
   148,986.42 : 205,571.85 = 83,577.42 : x
2. Step 2: Convert to fraction form
   148,986.42/205,571.85 = 83,577.42/x
3. Step 3: Cross multiply
   148,986.42x = 205,571.85 × 83,577.42
4. Step 4: Simplify right side
   148,986.42x = 17,181,164,847.63
5. Step 5: Solve for x
   x = 17,181,164,847.63/148,986.42
6. Step 6: Final answer
   x = 115,320.34