Finding the Fourth Proportional to 50,080.76, 69,111.51 and 28,859.48

Step by Step Solution

1. Step 1: Write the proportion equation
   50,080.76 : 69,111.51 = 28,859.48 : x
2. Step 2: Convert to fraction form
   50,080.76/69,111.51 = 28,859.48/x
3. Step 3: Cross multiply
   50,080.76x = 69,111.51 × 28,859.48
4. Step 4: Simplify right side
   50,080.76x = 1,994,522,240.61
5. Step 5: Solve for x
   x = 1,994,522,240.61/50,080.76
6. Step 6: Final answer
   x = 39,826.12