Finding the Fourth Proportional to 35,404.58, 53,109.60 and 9,109.58

Step by Step Solution

1. Step 1: Write the proportion equation
   35,404.58 : 53,109.60 = 9,109.58 : x
2. Step 2: Convert to fraction form
   35,404.58/53,109.60 = 9,109.58/x
3. Step 3: Cross multiply
   35,404.58x = 53,109.60 × 9,109.58
4. Step 4: Simplify right side
   35,404.58x = 483,806,149.97
5. Step 5: Solve for x
   x = 483,806,149.97/35,404.58
6. Step 6: Final answer
   x = 13,665.07