Finding the Fourth Proportional to 25,095.42, 34,630.64 and 15,017.91

Step by Step Solution

1. Step 1: Write the proportion equation
   25,095.42 : 34,630.64 = 15,017.91 : x
2. Step 2: Convert to fraction form
   25,095.42/34,630.64 = 15,017.91/x
3. Step 3: Cross multiply
   25,095.42x = 34,630.64 × 15,017.91
4. Step 4: Simplify right side
   25,095.42x = 520,079,834.76
5. Step 5: Solve for x
   x = 520,079,834.76/25,095.42
6. Step 6: Final answer
   x = 20,724.09