Finding the Fourth Proportional to 25,134.81, 34,685.87 and 13,804.49

Step by Step Solution

1. Step 1: Write the proportion equation
   25,134.81 : 34,685.87 = 13,804.49 : x
2. Step 2: Convert to fraction form
   25,134.81/34,685.87 = 13,804.49/x
3. Step 3: Cross multiply
   25,134.81x = 34,685.87 × 13,804.49
4. Step 4: Simplify right side
   25,134.81x = 478,820,503.10
5. Step 5: Solve for x
   x = 478,820,503.10/25,134.81
6. Step 6: Final answer
   x = 19,050.09