Finding the Fourth Proportional to 52,019.82, 71,787.06 and 28,145.97

Step by Step Solution

1. Step 1: Write the proportion equation
   52,019.82 : 71,787.06 = 28,145.97 : x
2. Step 2: Convert to fraction form
   52,019.82/71,787.06 = 28,145.97/x
3. Step 3: Cross multiply
   52,019.82x = 71,787.06 × 28,145.97
4. Step 4: Simplify right side
   52,019.82x = 2,020,516,437.15
5. Step 5: Solve for x
   x = 2,020,516,437.15/52,019.82
6. Step 6: Final answer
   x = 38,841.28