Finding the Fourth Proportional to 50,657.34, 69,901.11 and 30,513.90

Step by Step Solution

1. Step 1: Write the proportion equation
   50,657.34 : 69,901.11 = 30,513.90 : x
2. Step 2: Convert to fraction form
   50,657.34/69,901.11 = 30,513.90/x
3. Step 3: Cross multiply
   50,657.34x = 69,901.11 × 30,513.90
4. Step 4: Simplify right side
   50,657.34x = 2,132,955,480.43
5. Step 5: Solve for x
   x = 2,132,955,480.43/50,657.34
6. Step 6: Final answer
   x = 42,105.56