Finding the Fourth Proportional to 25,150.74, 37,668.68 and 12,012.42

Step by Step Solution

1. Step 1: Write the proportion equation
   25,150.74 : 37,668.68 = 12,012.42 : x
2. Step 2: Convert to fraction form
   25,150.74/37,668.68 = 12,012.42/x
3. Step 3: Cross multiply
   25,150.74x = 37,668.68 × 12,012.42
4. Step 4: Simplify right side
   25,150.74x = 452,492,005.01
5. Step 5: Solve for x
   x = 452,492,005.01/25,150.74
6. Step 6: Final answer
   x = 17,991.20