Finding the Fourth Proportional to 25,043, 34,559.34 and 13,865.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,043 : 34,559.34 = 13,865.72 : x
2. Step 2: Convert to fraction form
   25,043/34,559.34 = 13,865.72/x
3. Step 3: Cross multiply
   25,043x = 34,559.34 × 13,865.72
4. Step 4: Simplify right side
   25,043x = 479,190,131.82
5. Step 5: Solve for x
   x = 479,190,131.82/25,043
6. Step 6: Final answer
   x = 19,134.69