Finding the Fourth Proportional to 25,148.34, 34,705.44 and 13,818.54

Step by Step Solution

1. Step 1: Write the proportion equation
   25,148.34 : 34,705.44 = 13,818.54 : x
2. Step 2: Convert to fraction form
   25,148.34/34,705.44 = 13,818.54/x
3. Step 3: Cross multiply
   25,148.34x = 34,705.44 × 13,818.54
4. Step 4: Simplify right side
   25,148.34x = 479,578,510.86
5. Step 5: Solve for x
   x = 479,578,510.86/25,148.34
6. Step 6: Final answer
   x = 19,069.99