Finding the Fourth Proportional to 25,145.73, 34,701.69 and 13,815.93

Step by Step Solution

1. Step 1: Write the proportion equation
   25,145.73 : 34,701.69 = 13,815.93 : x
2. Step 2: Convert to fraction form
   25,145.73/34,701.69 = 13,815.93/x
3. Step 3: Cross multiply
   25,145.73x = 34,701.69 × 13,815.93
4. Step 4: Simplify right side
   25,145.73x = 479,436,301.86
5. Step 5: Solve for x
   x = 479,436,301.86/25,145.73
6. Step 6: Final answer
   x = 19,066.31