Finding the Fourth Proportional to 25,570.50, 35,287.83 and 14,392.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,570.50 : 35,287.83 = 14,392.50 : x
2. Step 2: Convert to fraction form
   25,570.50/35,287.83 = 14,392.50/x
3. Step 3: Cross multiply
   25,570.50x = 35,287.83 × 14,392.50
4. Step 4: Simplify right side
   25,570.50x = 507,880,093.28
5. Step 5: Solve for x
   x = 507,880,093.28/25,570.50
6. Step 6: Final answer
   x = 19,861.95