Finding the Fourth Proportional to 50,315.42, 75,475.71 and 12,875.82

Step by Step Solution

1. Step 1: Write the proportion equation
   50,315.42 : 75,475.71 = 12,875.82 : x
2. Step 2: Convert to fraction form
   50,315.42/75,475.71 = 12,875.82/x
3. Step 3: Cross multiply
   50,315.42x = 75,475.71 × 12,875.82
4. Step 4: Simplify right side
   50,315.42x = 971,811,656.33
5. Step 5: Solve for x
   x = 971,811,656.33/50,315.42
6. Step 6: Final answer
   x = 19,314.39