Finding the Fourth Proportional to 25,111.75, 34,654.35 and 13,782.34

Step by Step Solution

1. Step 1: Write the proportion equation
   25,111.75 : 34,654.35 = 13,782.34 : x
2. Step 2: Convert to fraction form
   25,111.75/34,654.35 = 13,782.34/x
3. Step 3: Cross multiply
   25,111.75x = 34,654.35 × 13,782.34
4. Step 4: Simplify right side
   25,111.75x = 477,618,034.18
5. Step 5: Solve for x
   x = 477,618,034.18/25,111.75
6. Step 6: Final answer
   x = 19,019.70