Finding the Fourth Proportional to 50,142.07, 69,193.90 and 29,987.04

Step by Step Solution

1. Step 1: Write the proportion equation
   50,142.07 : 69,193.90 = 29,987.04 : x
2. Step 2: Convert to fraction form
   50,142.07/69,193.90 = 29,987.04/x
3. Step 3: Cross multiply
   50,142.07x = 69,193.90 × 29,987.04
4. Step 4: Simplify right side
   50,142.07x = 2,074,920,375.34
5. Step 5: Solve for x
   x = 2,074,920,375.34/50,142.07
6. Step 6: Final answer
   x = 41,380.83