Finding the Fourth Proportional to 25,776.51, 35,588.72 and 19,797.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,776.51 : 35,588.72 = 19,797.50 : x
2. Step 2: Convert to fraction form
   25,776.51/35,588.72 = 19,797.50/x
3. Step 3: Cross multiply
   25,776.51x = 35,588.72 × 19,797.50
4. Step 4: Simplify right side
   25,776.51x = 704,567,684.20
5. Step 5: Solve for x
   x = 704,567,684.20/25,776.51
6. Step 6: Final answer
   x = 27,333.71