Finding the Fourth Proportional to 25,128.79, 34,676.18 and 13,798.24

Step by Step Solution

1. Step 1: Write the proportion equation
   25,128.79 : 34,676.18 = 13,798.24 : x
2. Step 2: Convert to fraction form
   25,128.79/34,676.18 = 13,798.24/x
3. Step 3: Cross multiply
   25,128.79x = 34,676.18 × 13,798.24
4. Step 4: Simplify right side
   25,128.79x = 478,470,280.02
5. Step 5: Solve for x
   x = 478,470,280.02/25,128.79
6. Step 6: Final answer
   x = 19,040.72