Finding the Fourth Proportional to 25,446.79, 38,151.73 and 17,106.12

Step by Step Solution

1. Step 1: Write the proportion equation
   25,446.79 : 38,151.73 = 17,106.12 : x
2. Step 2: Convert to fraction form
   25,446.79/38,151.73 = 17,106.12/x
3. Step 3: Cross multiply
   25,446.79x = 38,151.73 × 17,106.12
4. Step 4: Simplify right side
   25,446.79x = 652,628,071.59
5. Step 5: Solve for x
   x = 652,628,071.59/25,446.79
6. Step 6: Final answer
   x = 25,646.77