Finding the Fourth Proportional to 25,116.42, 34,660.52 and 13,785.63

Step by Step Solution

1. Step 1: Write the proportion equation
   25,116.42 : 34,660.52 = 13,785.63 : x
2. Step 2: Convert to fraction form
   25,116.42/34,660.52 = 13,785.63/x
3. Step 3: Cross multiply
   25,116.42x = 34,660.52 × 13,785.63
4. Step 4: Simplify right side
   25,116.42x = 477,817,035.40
5. Step 5: Solve for x
   x = 477,817,035.40/25,116.42
6. Step 6: Final answer
   x = 19,024.09