Finding the Fourth Proportional to 25,601.16, 35,325.54 and 14,421

Step by Step Solution

1. Step 1: Write the proportion equation
   25,601.16 : 35,325.54 = 14,421 : x
2. Step 2: Convert to fraction form
   25,601.16/35,325.54 = 14,421/x
3. Step 3: Cross multiply
   25,601.16x = 35,325.54 × 14,421
4. Step 4: Simplify right side
   25,601.16x = 509,429,612.34
5. Step 5: Solve for x
   x = 509,429,612.34/25,601.16
6. Step 6: Final answer
   x = 19,898.69