Finding the Fourth Proportional to 25,099.69, 34,637.83 and 13,769.20

Step by Step Solution

1. Step 1: Write the proportion equation
   25,099.69 : 34,637.83 = 13,769.20 : x
2. Step 2: Convert to fraction form
   25,099.69/34,637.83 = 13,769.20/x
3. Step 3: Cross multiply
   25,099.69x = 34,637.83 × 13,769.20
4. Step 4: Simplify right side
   25,099.69x = 476,935,208.84
5. Step 5: Solve for x
   x = 476,935,208.84/25,099.69
6. Step 6: Final answer
   x = 19,001.64