Finding the Fourth Proportional to 25,064, 37,578.72 and 12,587.84

Step by Step Solution

1. Step 1: Write the proportion equation
   25,064 : 37,578.72 = 12,587.84 : x
2. Step 2: Convert to fraction form
   25,064/37,578.72 = 12,587.84/x
3. Step 3: Cross multiply
   25,064x = 37,578.72 × 12,587.84
4. Step 4: Simplify right side
   25,064x = 473,034,914.76
5. Step 5: Solve for x
   x = 473,034,914.76/25,064
6. Step 6: Final answer
   x = 18,873.08