Finding the Fourth Proportional to 35,857.50, 53,805.69 and 17,389.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,857.50 : 53,805.69 = 17,389.50 : x
2. Step 2: Convert to fraction form
   35,857.50/53,805.69 = 17,389.50/x
3. Step 3: Cross multiply
   35,857.50x = 53,805.69 × 17,389.50
4. Step 4: Simplify right side
   35,857.50x = 935,654,046.26
5. Step 5: Solve for x
   x = 935,654,046.26/35,857.50
6. Step 6: Final answer
   x = 26,093.68