Finding the Fourth Proportional to 25,100.73, 34,639.47 and 13,770.80

Step by Step Solution

1. Step 1: Write the proportion equation
   25,100.73 : 34,639.47 = 13,770.80 : x
2. Step 2: Convert to fraction form
   25,100.73/34,639.47 = 13,770.80/x
3. Step 3: Cross multiply
   25,100.73x = 34,639.47 × 13,770.80
4. Step 4: Simplify right side
   25,100.73x = 477,013,300.07
5. Step 5: Solve for x
   x = 477,013,300.07/25,100.73
6. Step 6: Final answer
   x = 19,003.96