Finding the Fourth Proportional to 50,807.75, 70,114.56 and 28,146.79

Step by Step Solution

1. Step 1: Write the proportion equation
   50,807.75 : 70,114.56 = 28,146.79 : x
2. Step 2: Convert to fraction form
   50,807.75/70,114.56 = 28,146.79/x
3. Step 3: Cross multiply
   50,807.75x = 70,114.56 × 28,146.79
4. Step 4: Simplify right side
   50,807.75x = 1,973,499,445.69
5. Step 5: Solve for x
   x = 1,973,499,445.69/50,807.75
6. Step 6: Final answer
   x = 38,842.49