Finding the Fourth Proportional to 35,859.78, 49,488.03 and 20,753.10

Step by Step Solution

1. Step 1: Write the proportion equation
   35,859.78 : 49,488.03 = 20,753.10 : x
2. Step 2: Convert to fraction form
   35,859.78/49,488.03 = 20,753.10/x
3. Step 3: Cross multiply
   35,859.78x = 49,488.03 × 20,753.10
4. Step 4: Simplify right side
   35,859.78x = 1,027,030,035.39
5. Step 5: Solve for x
   x = 1,027,030,035.39/35,859.78
6. Step 6: Final answer
   x = 28,640.17