Finding the Fourth Proportional to 52,019.97, 71,787.56 and 28,146.57

Step by Step Solution

1. Step 1: Write the proportion equation
   52,019.97 : 71,787.56 = 28,146.57 : x
2. Step 2: Convert to fraction form
   52,019.97/71,787.56 = 28,146.57/x
3. Step 3: Cross multiply
   52,019.97x = 71,787.56 × 28,146.57
4. Step 4: Simplify right side
   52,019.97x = 2,020,573,582.67
5. Step 5: Solve for x
   x = 2,020,573,582.67/52,019.97
6. Step 6: Final answer
   x = 38,842.27