Finding the Fourth Proportional to 35,648.56, 49,196.17 and 20,540.02

Step by Step Solution

1. Step 1: Write the proportion equation
   35,648.56 : 49,196.17 = 20,540.02 : x
2. Step 2: Convert to fraction form
   35,648.56/49,196.17 = 20,540.02/x
3. Step 3: Cross multiply
   35,648.56x = 49,196.17 × 20,540.02
4. Step 4: Simplify right side
   35,648.56x = 1,010,490,315.72
5. Step 5: Solve for x
   x = 1,010,490,315.72/35,648.56
6. Step 6: Final answer
   x = 28,345.89