Finding the Fourth Proportional to 25,045.43, 37,566.86 and 8,405.60

Step by Step Solution

1. Step 1: Write the proportion equation
   25,045.43 : 37,566.86 = 8,405.60 : x
2. Step 2: Convert to fraction form
   25,045.43/37,566.86 = 8,405.60/x
3. Step 3: Cross multiply
   25,045.43x = 37,566.86 × 8,405.60
4. Step 4: Simplify right side
   25,045.43x = 315,771,768.55
5. Step 5: Solve for x
   x = 315,771,768.55/25,045.43
6. Step 6: Final answer
   x = 12,607.96