Finding the Fourth Proportional to 50,887.94, 70,223.69 and 30,741.30

Step by Step Solution

1. Step 1: Write the proportion equation
   50,887.94 : 70,223.69 = 30,741.30 : x
2. Step 2: Convert to fraction form
   50,887.94/70,223.69 = 30,741.30/x
3. Step 3: Cross multiply
   50,887.94x = 70,223.69 × 30,741.30
4. Step 4: Simplify right side
   50,887.94x = 2,158,767,367.69
5. Step 5: Solve for x
   x = 2,158,767,367.69/50,887.94
6. Step 6: Final answer
   x = 42,421.99