Finding the Fourth Proportional to 25,099.96, 34,638.42 and 13,770.04

Step by Step Solution

1. Step 1: Write the proportion equation
   25,099.96 : 34,638.42 = 13,770.04 : x
2. Step 2: Convert to fraction form
   25,099.96/34,638.42 = 13,770.04/x
3. Step 3: Cross multiply
   25,099.96x = 34,638.42 × 13,770.04
4. Step 4: Simplify right side
   25,099.96x = 476,972,428.94
5. Step 5: Solve for x
   x = 476,972,428.94/25,099.96
6. Step 6: Final answer
   x = 19,002.92