Finding the Fourth Proportional to 35,196.22, 48,586.72 and 20,858.38

Step by Step Solution

1. Step 1: Write the proportion equation
   35,196.22 : 48,586.72 = 20,858.38 : x
2. Step 2: Convert to fraction form
   35,196.22/48,586.72 = 20,858.38/x
3. Step 3: Cross multiply
   35,196.22x = 48,586.72 × 20,858.38
4. Step 4: Simplify right side
   35,196.22x = 1,013,440,268.71
5. Step 5: Solve for x
   x = 1,013,440,268.71/35,196.22
6. Step 6: Final answer
   x = 28,794.01