Finding the Fourth Proportional to 25,796.94, 35,607.14 and 15,192.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,796.94 : 35,607.14 = 15,192.72 : x
2. Step 2: Convert to fraction form
   25,796.94/35,607.14 = 15,192.72/x
3. Step 3: Cross multiply
   25,796.94x = 35,607.14 × 15,192.72
4. Step 4: Simplify right side
   25,796.94x = 540,969,308.02
5. Step 5: Solve for x
   x = 540,969,308.02/25,796.94
6. Step 6: Final answer
   x = 20,970.29