Finding the Fourth Proportional to 127,139.93, 190,771.83 and 52,282.56

Step by Step Solution

1. Step 1: Write the proportion equation
   127,139.93 : 190,771.83 = 52,282.56 : x
2. Step 2: Convert to fraction form
   127,139.93/190,771.83 = 52,282.56/x
3. Step 3: Cross multiply
   127,139.93x = 190,771.83 × 52,282.56
4. Step 4: Simplify right side
   127,139.93x = 9,974,039,648.28
5. Step 5: Solve for x
   x = 9,974,039,648.28/127,139.93
6. Step 6: Final answer
   x = 78,449.31