Finding the Fourth Proportional to 35,535.05, 49,036.61 and 20,417

Step by Step Solution

1. Step 1: Write the proportion equation
   35,535.05 : 49,036.61 = 20,417 : x
2. Step 2: Convert to fraction form
   35,535.05/49,036.61 = 20,417/x
3. Step 3: Cross multiply
   35,535.05x = 49,036.61 × 20,417
4. Step 4: Simplify right side
   35,535.05x = 1,001,180,364.29
5. Step 5: Solve for x
   x = 1,001,180,364.29/35,535.05
6. Step 6: Final answer
   x = 28,174.45