Finding the Fourth Proportional to 50,900.07, 70,238.93 and 30,745.05

Step by Step Solution

1. Step 1: Write the proportion equation
   50,900.07 : 70,238.93 = 30,745.05 : x
2. Step 2: Convert to fraction form
   50,900.07/70,238.93 = 30,745.05/x
3. Step 3: Cross multiply
   50,900.07x = 70,238.93 × 30,745.05
4. Step 4: Simplify right side
   50,900.07x = 2,159,499,170.62
5. Step 5: Solve for x
   x = 2,159,499,170.62/50,900.07
6. Step 6: Final answer
   x = 42,426.25