Finding the Fourth Proportional to 19,527.63, 29,172.72 and 12,451.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,527.63 : 29,172.72 = 12,451.25 : x
2. Step 2: Convert to fraction form
   19,527.63/29,172.72 = 12,451.25/x
3. Step 3: Cross multiply
   19,527.63x = 29,172.72 × 12,451.25
4. Step 4: Simplify right side
   19,527.63x = 363,236,684.04
5. Step 5: Solve for x
   x = 363,236,684.04/19,527.63
6. Step 6: Final answer
   x = 18,601.17