Finding the Fourth Proportional to 50,687.78, 69,948.71 and 29,181.74

Step by Step Solution

1. Step 1: Write the proportion equation
   50,687.78 : 69,948.71 = 29,181.74 : x
2. Step 2: Convert to fraction form
   50,687.78/69,948.71 = 29,181.74/x
3. Step 3: Cross multiply
   50,687.78x = 69,948.71 × 29,181.74
4. Step 4: Simplify right side
   50,687.78x = 2,041,225,068.56
5. Step 5: Solve for x
   x = 2,041,225,068.56/50,687.78
6. Step 6: Final answer
   x = 40,270.56