Finding the Fourth Proportional to 50,131, 69,180.78 and 29,988.73

Step by Step Solution

1. Step 1: Write the proportion equation
   50,131 : 69,180.78 = 29,988.73 : x
2. Step 2: Convert to fraction form
   50,131/69,180.78 = 29,988.73/x
3. Step 3: Cross multiply
   50,131x = 69,180.78 × 29,988.73
4. Step 4: Simplify right side
   50,131x = 2,074,643,732.61
5. Step 5: Solve for x
   x = 2,074,643,732.61/50,131
6. Step 6: Final answer
   x = 41,384.45