Finding the Fourth Proportional to 25,196.67, 34,770.87 and 13,865.58

Step by Step Solution

1. Step 1: Write the proportion equation
   25,196.67 : 34,770.87 = 13,865.58 : x
2. Step 2: Convert to fraction form
   25,196.67/34,770.87 = 13,865.58/x
3. Step 3: Cross multiply
   25,196.67x = 34,770.87 × 13,865.58
4. Step 4: Simplify right side
   25,196.67x = 482,118,279.65
5. Step 5: Solve for x
   x = 482,118,279.65/25,196.67
6. Step 6: Final answer
   x = 19,134.21