Finding the Fourth Proportional to 52,018.39, 71,785.38 and 28,145.06

Step by Step Solution

1. Step 1: Write the proportion equation
   52,018.39 : 71,785.38 = 28,145.06 : x
2. Step 2: Convert to fraction form
   52,018.39/71,785.38 = 28,145.06/x
3. Step 3: Cross multiply
   52,018.39x = 71,785.38 × 28,145.06
4. Step 4: Simplify right side
   52,018.39x = 2,020,404,006.69
5. Step 5: Solve for x
   x = 2,020,404,006.69/52,018.39
6. Step 6: Final answer
   x = 38,840.19