Finding the Fourth Proportional to 25,150.72, 34,708.68 and 13,820.52

Step by Step Solution

1. Step 1: Write the proportion equation
   25,150.72 : 34,708.68 = 13,820.52 : x
2. Step 2: Convert to fraction form
   25,150.72/34,708.68 = 13,820.52/x
3. Step 3: Cross multiply
   25,150.72x = 34,708.68 × 13,820.52
4. Step 4: Simplify right side
   25,150.72x = 479,692,006.11
5. Step 5: Solve for x
   x = 479,692,006.11/25,150.72
6. Step 6: Final answer
   x = 19,072.69