Finding the Fourth Proportional to 25,123.79, 34,677.10 and 14,519.58

Step by Step Solution

1. Step 1: Write the proportion equation
   25,123.79 : 34,677.10 = 14,519.58 : x
2. Step 2: Convert to fraction form
   25,123.79/34,677.10 = 14,519.58/x
3. Step 3: Cross multiply
   25,123.79x = 34,677.10 × 14,519.58
4. Step 4: Simplify right side
   25,123.79x = 503,496,681.63
5. Step 5: Solve for x
   x = 503,496,681.63/25,123.79
6. Step 6: Final answer
   x = 20,040.63