Finding the Fourth Proportional to 50,299.57, 69,381.52 and 30,909.99

Step by Step Solution

1. Step 1: Write the proportion equation
   50,299.57 : 69,381.52 = 30,909.99 : x
2. Step 2: Convert to fraction form
   50,299.57/69,381.52 = 30,909.99/x
3. Step 3: Cross multiply
   50,299.57x = 69,381.52 × 30,909.99
4. Step 4: Simplify right side
   50,299.57x = 2,144,582,089.38
5. Step 5: Solve for x
   x = 2,144,582,089.38/50,299.57
6. Step 6: Final answer
   x = 42,636.19