Finding the Fourth Proportional to 50,307.61, 69,414.69 and 28,803.91

Step by Step Solution

1. Step 1: Write the proportion equation
   50,307.61 : 69,414.69 = 28,803.91 : x
2. Step 2: Convert to fraction form
   50,307.61/69,414.69 = 28,803.91/x
3. Step 3: Cross multiply
   50,307.61x = 69,414.69 × 28,803.91
4. Step 4: Simplify right side
   50,307.61x = 1,999,414,483.44
5. Step 5: Solve for x
   x = 1,999,414,483.44/50,307.61
6. Step 6: Final answer
   x = 39,743.78