Finding the Fourth Proportional to 52,020.56, 71,787.86 and 28,146.71

Step by Step Solution

1. Step 1: Write the proportion equation
   52,020.56 : 71,787.86 = 28,146.71 : x
2. Step 2: Convert to fraction form
   52,020.56/71,787.86 = 28,146.71/x
3. Step 3: Cross multiply
   52,020.56x = 71,787.86 × 28,146.71
4. Step 4: Simplify right side
   52,020.56x = 2,020,592,147.31
5. Step 5: Solve for x
   x = 2,020,592,147.31/52,020.56
6. Step 6: Final answer
   x = 38,842.18