Finding the Fourth Proportional to 25,404.89, 35,037.09 and 20,090.48

Step by Step Solution

1. Step 1: Write the proportion equation
   25,404.89 : 35,037.09 = 20,090.48 : x
2. Step 2: Convert to fraction form
   25,404.89/35,037.09 = 20,090.48/x
3. Step 3: Cross multiply
   25,404.89x = 35,037.09 × 20,090.48
4. Step 4: Simplify right side
   25,404.89x = 703,911,780.72
5. Step 5: Solve for x
   x = 703,911,780.72/25,404.89
6. Step 6: Final answer
   x = 27,707.73