Finding the Fourth Proportional to 16,895,721.42, 25,302,246.89 and 15,258,096.45

Step by Step Solution

1. Step 1: Write the proportion equation
   16,895,721.42 : 25,302,246.89 = 15,258,096.45 : x
2. Step 2: Convert to fraction form
   16,895,721.42/25,302,246.89 = 15,258,096.45/x
3. Step 3: Cross multiply
   16,895,721.42x = 25,302,246.89 × 15,258,096.45
4. Step 4: Simplify right side
   16,895,721.42x = 386,064,123,373,042.06
5. Step 5: Solve for x
   x = 386,064,123,373,042.06/16,895,721.42
6. Step 6: Final answer
   x = 22,849,815.87