Finding the Fourth Proportional to 51,482.89, 71,046.06 and 28,821.77

Step by Step Solution

1. Step 1: Write the proportion equation
   51,482.89 : 71,046.06 = 28,821.77 : x
2. Step 2: Convert to fraction form
   51,482.89/71,046.06 = 28,821.77/x
3. Step 3: Cross multiply
   51,482.89x = 71,046.06 × 28,821.77
4. Step 4: Simplify right side
   51,482.89x = 2,047,673,565.59
5. Step 5: Solve for x
   x = 2,047,673,565.59/51,482.89
6. Step 6: Final answer
   x = 39,773.86