Finding the Fourth Proportional to 25,100.96, 34,639.80 and 13,771.04

Step by Step Solution

1. Step 1: Write the proportion equation
   25,100.96 : 34,639.80 = 13,771.04 : x
2. Step 2: Convert to fraction form
   25,100.96/34,639.80 = 13,771.04/x
3. Step 3: Cross multiply
   25,100.96x = 34,639.80 × 13,771.04
4. Step 4: Simplify right side
   25,100.96x = 477,026,071.39
5. Step 5: Solve for x
   x = 477,026,071.39/25,100.96
6. Step 6: Final answer
   x = 19,004.30