Finding the Fourth Proportional to 25,456.55, 38,181.98 and 7,924.91

Step by Step Solution

1. Step 1: Write the proportion equation
   25,456.55 : 38,181.98 = 7,924.91 : x
2. Step 2: Convert to fraction form
   25,456.55/38,181.98 = 7,924.91/x
3. Step 3: Cross multiply
   25,456.55x = 38,181.98 × 7,924.91
4. Step 4: Simplify right side
   25,456.55x = 302,588,584.02
5. Step 5: Solve for x
   x = 302,588,584.02/25,456.55
6. Step 6: Final answer
   x = 11,886.47