Finding the Fourth Proportional to 35,610.89, 53,419.37 and 9,315.59

Step by Step Solution

1. Step 1: Write the proportion equation
   35,610.89 : 53,419.37 = 9,315.59 : x
2. Step 2: Convert to fraction form
   35,610.89/53,419.37 = 9,315.59/x
3. Step 3: Cross multiply
   35,610.89x = 53,419.37 × 9,315.59
4. Step 4: Simplify right side
   35,610.89x = 497,632,635.30
5. Step 5: Solve for x
   x = 497,632,635.30/35,610.89
6. Step 6: Final answer
   x = 13,974.17