Finding the Fourth Proportional to 25,199.98, 34,775.99 and 13,870.29

Step by Step Solution

1. Step 1: Write the proportion equation
   25,199.98 : 34,775.99 = 13,870.29 : x
2. Step 2: Convert to fraction form
   25,199.98/34,775.99 = 13,870.29/x
3. Step 3: Cross multiply
   25,199.98x = 34,775.99 × 13,870.29
4. Step 4: Simplify right side
   25,199.98x = 482,353,066.34
5. Step 5: Solve for x
   x = 482,353,066.34/25,199.98
6. Step 6: Final answer
   x = 19,141.01