Finding the Fourth Proportional to 25,302, 34,916.78 and 14,124

Step by Step Solution

1. Step 1: Write the proportion equation
   25,302 : 34,916.78 = 14,124 : x
2. Step 2: Convert to fraction form
   25,302/34,916.78 = 14,124/x
3. Step 3: Cross multiply
   25,302x = 34,916.78 × 14,124
4. Step 4: Simplify right side
   25,302x = 493,164,600.72
5. Step 5: Solve for x
   x = 493,164,600.72/25,302
6. Step 6: Final answer
   x = 19,491.13